CAT with Confidence: Diving into Complex Numbers, Calendar Puzzles, and PYQs on Critical Reasoning- Day 54

CAT with Confidence: Diving into Complex Numbers, Calendar Puzzles, and PYQs on Critical Reasoning- Day 54

Edited By Team Careers360 | Updated on Nov 06, 2024 08:32 PM IST | #CAT

Hello, CAT 2024 candidates! You should have received your admit cards for the CAT test, which is scheduled for November 26. As you are preparing for the final revision of the exam, we're here on day 54 of Careers360's, 60-day CAT study guide to help you concentrate on essential areas like complex numbers and calendar aptitude questions. These are common questions where students become confused, particularly when it comes to complex numbers and quadratic equations. To avoid mistakes, it is critical to practice regularly and grasp the differences between these concepts. Students can download the calendar reasoning questions pdf.

The following article will guide you through complex number problems, key formulae, calendar questions, and previous year's questions (PYQs) on logical thinking. You may confidently approach these tricky topics and do well on the exam if you have an effective strategy and knowledge regarding this.

Part-1: Quantitative Aptitude for CAT exam

Aspirants can also download questions on complex numbers with answers pdf for more practice questions and references for their studies.

Important Concept/Formula Used in CAT complex numbers questions

Concepts and Formulas Used in CAT complex numbers Exam questions are given below:

  1. Contains real as well as imaginary parts.

Eg: 2+ 3i

Real part = 2

Imaginary part = 3

  1. iota (i) = -1

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  1. The complex conjugate of (a+ ib) is (a- ib).

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CAT Previous Years Questions On Complex Numbers

Q1. CAT 2023 complex numbers Questions and Answers are given below:

If z is a complex number, then the minimum value of |z- 1| + |z + 1| is ______.

[Based on MBA Entrance Exams]

CAT complex numbers problems with solutions are given below:

Solution:

If z = a+ ib

Then, |z- 1| = a-12+b2

and |z + 1| = a+12+b2

|z- 1| + |z + 1| = a-12+b2 + a+12+b2

This value is minimum if either a= 1 and b =0 or a =0 and b = 1

So, the minimum value of |z- 1| + |z + 1| = 2.

Q2. Complex numbers Questions with solutions are given below:

If the cube roots of unity are 1, ω, ω2, then find the roots of the equation (x − 1)3 + 64 = 0. where ω = 3-1 [Practice Question]

Complex numbers system problems with answer for CAT exam are given below:

Solution:

(x − 1)3 = −64 ⇒ x − 1 = (−64)1/3

x − 1 = −4, −4ω, −4ω2

x = −3, 1 − 4ω, 1 − 4ω2

CAT Exam Important Topic: Strategy to Prepare “Complex Numbers” for CAT exam 2023 ( important complex number questions).

Find the CAT tips and tricks for complex numbers Questions below:

  1. i4k = 1 (where k is a positive integer)

  1. Learn algebra of complex numbers

Addition: N1= a1+ ib1; N2 = a2+ ib2; N1+ N2 = (a1+a2) +i(b1+ b2)

Subtraction: N1= a1+ ib1; N2 = a2+ ib2; N1- N2 = (a1-a2) +i(b1- b2)

Multiplication: N1 x N2 = (a1a2 + b1b2) + i(a1b2 + b1a2)

Division: N1/ N2 = (a1+ ib1)/(a2+ ib2)

  1. Less frequently asked in the CAT Exam. Do not waste much time. Keep this topic for last.

  1. Practice Previous years questions to get familiar with the types of questions being asked.

CAT entrance exam: Prerequisite to complex numbers questions

  1. Basics of the number system

  2. Imaginary Numbers

References to Study (Theory) complex numbers

  1. NCERT Class 11

  2. TriOsEducate: YouTube (https://www.youtube.com/watch?v=CwxDoiXb1D0)

References to Practice complex numbers questions for CAT exam

Study sources of Complex Numbers Questions for CAT Exam are given below:

  1. How to Prepare Quantitative Aptitude by Arun Sharma (7th Edition)

  2. ( https://www.youtube.com/watch?v=VlEwd_dq-9s&t=2920s)

  3. Practice Sample Papers

Part-2: CAT 2023 Preparation Tips: CAT DILR tips (Logical Reasoning and Data Interpretation)

All the important tips of the calendar should be covered by the aspirants and for the aspirants Calendar reasoning questions with solutions are given below. Aspirants can also download calendar questions pdf and calendar reasoning questions pdf for more practice and references

CAT 2023 Syllabus Topic: Strategy to prepare “Concept of Calendar” and Calendar Aptitude Questions for CAT Exam

Important Concept/Formula Used in Calendar Questions for CAT Preparation

The concepts used in CAT calendar questions are given below:

  1. Concept of odd days Number of days divided by 7 and the remainder is odd days.

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  1. Concept of leap year

  • Any year (Not multiple of 100) divisible by 4

  • Any year (multiple of 100) divisible by 400

  1. Concept of finding a day on a given date.

  1. Repetition of Calendar

  • Ordinary year after every 11 years (few exceptions)

  • Leap year after every 28 years (few exceptions)

CAT Calendar questions From CAT Previous Years Papers

Q1. CAT calendar questions are given below:

Given that 27th February 2003 is Thursday. What was the day on 27th February 1603? [CAT 2016]

  1. Monday

  2. Thursday

  3. Sunday

  4. Tuesday

Answer: [2]

After every 400 years, the calendar repeats itself. So, the answer is Thursday.

Q2. Calendar aptitude questions are given below:

Today is Monday. After 73 days, it will be [SNAP Sample Question]

  1. Thursday

  2. Friday

  3. Saturday

  4. Sunday

Calender reasoning questions with solutions are given below:

Ans: [1]

Divide 73 by 7, then odd days are 3.

So, 3 days after Monday will be Thursday.

Tips/Tricks for CAT on calendar based CAT questions

Tips and tricks: Calendar Questions for CAT Preparation are given below:

  1. An ordinary year starts with and end on the same day.

  2. A leap year-end with a day after it starts.

  3. Odd days in a week is ‘0’.

  4. A century can not end on Tuesday, Thursday or Saturday.

  5. After every 400 years the calendar repeats.

  6. Practice separately each kind of question.

  7. Practice previous years questions from various MBA entrance Exams to get an idea of the pattern of questions being asked.

CAT entrance exam: Prerequisite to calendar reasoning questions

  1. Knowledge of reading a calendar

  2. Basics Calculations

CAT study material: References to Study (Theory) Concept of Calendar

  1. R S Agrawal

  2. Rodha

  3. (https://www.youtube.com/watch?v=fnGRCej5qUw)

CAT study material: References to Practice ( calendar questions for CAT preparation)

Study sources of calendar aptitude questions for CAT exam are given below:

  1. MBA Entrance Previous years Papers and Sample Papers.

  2. Unacademy CAT

  3. (https://www.youtube.com/results?search_query=calendars+for+CAT+Exam)

Part-3: CAT Exam Preparation 2023: CAT exam tips for VARC (Verbal Ability & Reading Comprehension)

CAT Exam Important Topic: Strategy to Prepare “Statement and Conclusions” (Critical Reasoning) for CAT-2023

Important Concept of CAT Statement and Conclusions questions

The concepts used in Statement and Conclusions CAT questions are given below:

The question has three parts

Statement + Question+ Options (Conclusions)

Statement: A statement is a formal account of certain facts, views or situations in words.

Conclusions:

  • No degree of assumptions
  • It is derived
  • It is not an opinion
  • It should not be forced

CAT Practice Questions on Statements and Conclusions (critical reasoning questions for CAT)

Question 1: Statements and Conclusions (critical reasoning questions for CAT) are given below:

Read the passage and answer the questions based on it. (CAT 2017)

Typewriters are the epitome of a technology that has been comprehensively rendered obsolete by the digital age. The ink comes off the ribbon, they weigh a ton, and second thoughts are a disaster. But they are also personal, portable and, above all, private. Type a document and lock it away and more or less the only way anyone else can get it is if you give it to them. That is why the Russians have decided to go back to typewriters in some government offices, and why in the US, some departments have never abandoned them. Yet it is not just their resistance to algorithms and secret surveillance that keeps typewriter production lines - well one, at least - in business (the last British one closed a year ago). Nor is it only the nostalgic appeal of the metal body and the stout well-defined keys that make them popular on eBay. A typewriter demands something particular: attentiveness. By the time the paper is loaded, the ribbon tightened, the carriage returned, the spacing and the margins set, there's a big premium on hitting the right key. That means sorting out ideas, pulling together a kind of order and organising details before actually striking off. There can be no thinking on screen with a typewriter. Nor are there any easy distractions. No online shopping. No urgent emails. No Twitter. No need even for electricity - perfect for writing in a remote hideaway. The thinking process is accompanied by the encouraging clack of keys, and the ratchet of the carriage return. Ping!

Question. Which one of the following best describes what the passage is trying to do?

  1. It describes why people continue to use typewriters even in the digital age.

  2. It argues that typewriters will continue to be used even though they are an obsolete technology.

  3. It highlights the personal benefits of using typewriters.

  4. It shows that computers offer fewer options than typewriters.

Ans: [1]

Explanation:

The author is trying to explain:

why the typewriter continues to be used even in today's digital age. For this, he has given reasons that typewriters are personal and private and cannot be hacked. These can be used anywhere without the requirement of electricity.

Q2. CAT exam 2023 statements and Conclusions questions with solutions are given below:

Comprehension: [CAT 2018]

[The] Indian government [has] announced an international competition to design a National War Memorial in New Delhi, to honour all of the Indian soldiers who served in the various wars and counter-insurgency campaigns from 1947 onwards. The terms of the competition also specified that the new structure would be built adjacent to the India Gate – a memorial to the Indian soldiers who died in the First World War. Between the old imperialist memorial and the proposed nationalist one, India’s contribution to the Second World War is airbrushed out of existence.

The Indian government’s conception of the war memorial was not merely absent-minded. Rather, it accurately reflected the fact that both academic history and popular memory have yet to come to terms with India’s Second World War, which continues to be seen as little more than mood music in the drama of India’s advance towards independence and partition in 1947. Further, the political trajectory of the postwar subcontinent has militated against popular remembrance of the war. With partition and the onset of the India-Pakistan rivalry, both of the new nations needed fresh stories for self-legitimisation rather than focusing on shared wartime experiences.

However, the Second World War played a crucial role in both the independence and partition of India. . . . The Indian army recruited, trained and deployed some 2.5 million men, almost 90,000 of which were killed and many more injured. Even at the time, it was recognised as the largest volunteer force in the war. . . .

India’s material and financial contribution to the war was equally significant. India emerged as a major military-industrial and logistical base for Allied operations in Southeast Asia and the Middle East. This led the United States to take considerable interest in the country’s future and ensured that this was no longer the preserve of the British government.

Other wartime developments pointed in the direction of India’s independence. In a stunning reversal of its long-standing financial relationship with Britain, India finished the war as one of the largest creditors to the imperial power.

Such extraordinary mobilization for war was achieved at a great human cost, with the Bengal famine the most extreme manifestation of widespread wartime deprivation. The costs on India’s home front must be counted in millions of lives.

Indians signed up to serve on the war and home fronts for a variety of reasons. . . . [M]any were convinced that their contribution would open the doors to India’s freedom. . . . The political and social churn triggered by the war was evident in the massive waves of popular protest and unrest that washed over rural and urban India in the aftermath of the conflict. This turmoil was crucial in persuading the Attlee government to rid itself of the incubus of ruling India. . . .

Seventy years on, it is time that India engaged with the complex legacies of the Second World War. Bringing the war into the ambit of the new national memorial would be a fitting – if not overdue – recognition that this was India’s War.

Question: In the first paragraph, the author laments the fact that

  1. the new war memorial will be built right next to India Gate.
  2. there is no recognition of the Indian soldiers who served in the Second World War.
  3. funds will be wasted on another war memorial when we already have the India Gate memorial.
  4. India lost thousands of human lives during the Second World War

Ans: [2]

In the first paragraph, the author says that ‘India’s contribution to the second world war is airbrushed out of existence.’ This means, there is no recognition of the Indian soldiers’ contribution to the second world war.

Tips and Tricks for Statement and Conclusions questions for CAT exam 2023

  1. Conclusions are not generalised.

  2. Conclusions have to be “No exception at all”.

  3. Understand the difference between Inference and Conclusion

  4. Rephrase the question in your words.

  5. Generally, indirect questions are asked in CAT Exam (generally in the RCs). So, Practice different RCs appeared in CAT Exam.

  6. Practice questions daily (Fewer questions but daily)

CAT 2023: Prerequisite to Statement and Conclusions

  1. Knowledge of basic components of statements and arguments.

  2. Reading Skills.

References to Study (Theory) Statement and Conclusions for CAT

  1. How to Prepare for Verbal Ability and Reading Comprehension for CAT | 9th Edition Book by Arun Sharma and Meenakshi Upadhyay

  2. Rodha (YouTube: https://www.youtube.com/watch?v=EL9hYXQteUU)

References to Practise CAT Questions on Statement and Conclusions

  1. Verbal Reasoning by Disha Experts (kindle)

  2. Unacademy CAT4MBA

  3. (https://www.youtube.com/watch?v=p1KwwOjk-zI)

Practice, stay focused, and we'll be back tomorrow with Day 55 CAT Preparation Tips.

Thank You. All the Best!

Frequently Asked Questions (FAQs)

1. What are Complex Numbers?

In mathematics, a complex number is an element of a number system that extends the real numbers with a particular element labeled i, known as the imaginary unit, and satisfies the equation; every complex number may be represented in the form a+bi, where a, and b are real numbers.   

2. Why is this topic important for the CAT exam?

Complex numbers are those that have both real and imaginary parts. Complex number problems on the CAT examine your knowledge of equations and mathematics. Knowing this subject may help you answer difficult problems quickly, which is critical for scoring well.

3. How can I distinguish between Complex Numbers and Quadratic Equations?

Many candidates mix up complex numbers with quadratic equations. To prevent misunderstanding, review each subject independently and understand their distinct features. Practice answering a lot of questions for more clarity.

4. How can I answer the complex number and Calendar Questions quickly?

Here are some useful tips. For complex numbers, concentrate on learning crucial formulae and learning shortcuts to save time. For calendar questions, master particular strategies such as determining the day of the week for a given date. Regular practice will help you become more efficient and accurate.

5. How can previous year's questions (PYQs) help me with the reasoning section of CAT?

PYQs help you understand the sorts of questions that have previously been asked, as well as their degree of complexity. Solving these will give you an idea of what to anticipate and help you prepare for similar critical thinking questions on the CAT Exam.

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Questions related to CAT

Have a question related to CAT ?

The Common Admission Test (CAT) 2025 would take place on November 30, 2025.


Important dates for CAT 2025


Release of Notification: July 2025

Registration: August 2, 2025-September 21, 2025

Date of Examination: November 30, 2025

Declaration of Result : December 21, 2025

For most current and accurate information kindly see to the official notification and IIMs website or check the CAT website.

https://bschool.careers360.com/articles/cat-2025-syllabus
https://bschool.careers360.com/articles/cat-2025

The student cannot join the postgraduate MA program directly in the second year of the MA after completing the MBA.


Universities generally expect students to begin the first year of a masters' program even though they had qualifications at the level of a bachelor's degree. The university's curriculum along with the courses are planned to give an in-depth knowledge of the subjects.


But you could opt for:


Postgraduate Studies:


Research Career: In case research interests you, then you can pursue a Ph.D. in your specific interest.

Specialized Master's Programs: Find any specific master's course that supports the career goal.

Professional Certifications:


Make a professional certification in CFA, CA, or FRM to enhance the professional skills and better opportunities in the career field.

Job Entry via MBA

After gaining an MBA from a renowned institution, it's possible to get entry into the corporate world where the diversity in the career field is assured.

In the end, it would depend on what you would like and what you are particularly interested in. It will be better if you take a suggestion from your academic advisor or career counselor.

Hello Pratik,

If your family income exceeds 8 LPA, it will affect your eligibility for the NC-OBC category under the CAT reservation rules. The NC-OBC category requires that the family income should be below 8 LPA to qualify. If you anticipate that your income will exceed this threshold, you should update your status and notify the CAT authorities .

Here's what you can do:

  1. Email the CAT authorities : Inform them about the potential change in your income status and request to be considered under the General category, if applicable. You should do this before the examination or any further processing, as your eligibility for the OBC category depends on the income criteria.

  2. Documents and Proof : Make sure you have a valid OBC certificate and any relevant documentation regarding your family income, in case they require verification. Also, be aware that if your income exceeds 8 LPA, you might need to apply under the General category, as the OBC-NC reservation is no longer applicable.

  3. General Category Consideration : If your application is accepted as General, you will be evaluated based on the General category criteria, including cutoffs and ranking.

To summarize, notifying the CAT authorities is the correct approach to avoid discrepancies later, and if your income is above the threshold, you will be treated as a General candidate for the admissions process.



For more details about CAT exam you can check out an article by Careers360 whose link is given below:

Link: https://bschool.careers360.com/exams/cat


I hope this answer helps you. If you have more queries then feel free to share your questions with us we will be happy to assist you.

Thank you and wishing you all the best for your bright future.


Hi Shreya ,

Having a tattoo on your wrist should not  create a problem during the CAT exam as long as it does not contain any content that violates exam rules , such as communication-related symbols , unauthorised messages or any text resembling formulas or answers .

For a safe side , it is recommended :

1. Inform the Invigilators : Let them know about your tattoo during the identification check , so there are no misunderstandings .

2. Follow the Guidelines : Ensure you follow all instructions regarding permissible items and dress code on the exam day .

Hope this helps you .

ALL THE BEST .



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Directions for question :

M/s Deloitte Touche Tohmatsu Limited, one of the top four audit and accounting firms in the world with headquarters at London, UK, and with an operational presence in 153 countries, hires Management Trainees (MT) from all the premier management institutes of India thrice every year, in the months of January, May and September.

Each new group of Management Trainees (MT) have to go through a four month rigorous training schedule, after which they have to pass through a test consisting of a written assessment and a case-analysis. The top hundred ranked Management Trainees (MT) based on the performance in the test are confirmed as Management Executives (ME). The rest are given the opportunity of undergoing the training for four months one more time along with the next batch of Management Trainees (MT) and then passing through the subsequent test consisting of the written assessment and case-analysis. The Management Trainee (MT) who fails to get confirmed as a Management Executive (ME) the second time is fired.

The scatter-graph below depicts the number of Management Trainees (MT) at Deloitte taking the tests from January 2020 till May 2022, and the vis-à-vis hired Management Trainees (MT) at Deloitte who were fired :

It is also known that for the month of September 2019 at Deloitte, 96 hired Management Trainees (MT) failed to be confirmed as a Management Executive (ME) the first time, and that 36 hired Management Trainees (MT) were fired. 

Question :

In which test did the minimum number of Management Trainees (MT) get confirmed as a Management Executive (ME) in the second attempt ?

Option: 1

September 2020

 

 


Option: 2

May 2021


Option: 3

January 2021

 


Option: 4

January 2022 


Directions for question:

Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'. 

They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared. 

They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders. 

On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries. 

On the backdrop of the above information answer the questions given :

Question: 

Assuming that the next customer's order could only be attended to when the previous customer's order was closed, at what time would the first customer's order be considered closed ?

 

Option: 1

6.15 pm

 

 


Option: 2

6.17 pm

 


Option: 3

6.18 pm

 


Option: 4

6.20 pm


Directions for question :

Six sticks of equal lengths were kept in the vertical position in an empty flower-vase, to be arranged at the six corners of a regular hexagon. The two ends of each of the sticks were of different colours. 

The top ends of the sticks were one of each of the following colours – Red, Cyan, Pink, Brown, Black and Green. The bottom ends were one of each of the following colours – Blue, Yellow, White, Orange, Purple and Grey. Both the sets of colours mentioned were in no particular order.

It was also known that :

a) The stick with the red colour was opposite to the stick with the blue colour

b) There were exactly two sticks whose both ends had colours whose names started with the same letter

c) The stick with the grey colour was adjacent to the stick with the white colour

d) The stick with the cyan colour was adjacent to both the sticks with the brown colour and the one with the blue colour

e) The stick with the purple colour was adjacent to both the sticks with the grey colour and the one with the green colour

f) The stick with the white colour was opposite to the stick with the green colour

Question :

What was the colour of the bottom end of the stick having brown colour at the top end ?

Option: 1

 White 

 


Option: 2

Yellow 


Option: 3

Black

 


Option: 4

Grey


Directions for question:

Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'. 

They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared. 

They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders. 

On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries. 

On the backdrop of the above information answer the questions given :

Question: 

Assuming that the next customer's order could only be attended to when the previous customer's order was closed, at what time would the third customer's order be considered closed ?

 

Option: 1

6.28 pm

 


Option: 2

6.35 pm

 


Option: 3

6.38 pm


Option: 4

6.45 pm


Directions for question:

Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'. 

They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared. 

They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders. 

On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries. 

On the backdrop of the above information answer the questions given :

Question: 

Suppose Moloy and Niloy had decided to process multiple orders at the same time, however strictly prioritising a first come first serve basis, when would the second customer's order be considered closed ?

Option: 1

6.20 pm

 

 


Option: 2

6.18 pm


Option: 3

6.15 pm

 


Option: 4

6.12 pm


Directions for question:

Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'. 

They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared. 

They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders. 

On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries. 

On the backdrop of the above information answer the questions given :

Question: 

Suppose Moloy and Niloy had decided to process multiple orders at the same time, however strictly prioritising a first come first serve basis, when would the third customer's order be considered closed ?

 

Option: 1

6.22 pm

 


Option: 2

6.25 pm


Option: 3

6.28 pm 


Option: 4

6.30 pm


Directions for question:

Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'. 

They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared. 

They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders. 

On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries. 

On the backdrop of the above information answer the questions given :

Question: 

A fourth customer comes in and orders two plates of French Toast at 6.24 pm. Suppose Moloy and Niloy had decided to process multiple orders at the same time, however strictly prioritising a first come first serve basis. For exactly how many minutes would one of the friends be idle from 6.00 pm till serving the last customer, assuming that the four customers were the only ones to have come in within the period being discussed ?

Option: 1

9

 


Option: 2

13


Option: 3

18


Option: 4

21


Directions for question:

Two friends Moloy and Niloy passed out from the Purulia Institute of Science and Technology with B.Tech degrees in Mechanical Engineering, but even after a year placement was hard to find. So they decided to take the challenge head-on, came down to Kolkata, rented a garage space on Park Street, and having an affinity towards making people enjoy good food, started their firm named 'B.Tech Bread-Omlette Wala'. 

They started with three items on the menu. One was the French Toast which could be prepared in 3 minutes. The second was the Egg Tortillas which took 15 minutes to prepare. Any one of Moloy and Niloy could prepare any one of them at a time. The third was the Egg Bhurji with French Fries. This however was prepared on an automated fryer which could prepare 3 servings at a time and took 5 minutes irrespective of the number of servings equal to or below 3. The fryer did not need anyone to attend to it, and the time to put in the raw ingredients could be neglected. So one could tend to the preparation of other items while the Egg Bhurji with French Fries were being prepared. 

They wanted to serve the orders as early as possible after the order was given. The individual items in any order were served as and when all the items were ready, and the order was then considered closed. None of the items on the menu were prepared in advance in anticipation of future orders. 

On the first day, 3 groups of customers came in and ordered at 6.00 pm, 6.10 pm, and 6.13 pm. The first order was for a plate of Egg Tortillas, two plates of French Toast, and three plates of Egg Bhurji with French Fries. The second order was for a plate of French Toast and two plates of Egg Bhurji with French Fries. The third order was for a plate of Egg Tortilla and a plate of Egg Bhurji with French Fries. 

On the backdrop of the above information answer the questions given :

Question: 

Had Niloy been absent on that day, and assuming that the next customer's order could only be attended to when the previous customer's order was closed, at what time would the fourth customer's order (refer to the previous question) be considered closed ?

Option: 1

6:38 pm

 


Option: 2

6:42 pm

 


Option: 3

6:47 pm


Option: 4

6:49 pm


Directions for question:

The bar-graph given below shows the foreign exchange reserves of Nepal (in million Rupees) from 2014 to 2021. Answer the following questions based on the graph :

Question:

What was the percentage increase (rounded to the nearest integer, if deemed necessary) in the foreign exchange reserves in 2020 over 2016 ?

Option: 1 None

Option: 2 None

Option: 3 None

Option: 4 None

Directions for question:

The Jadavpur University’s Prince Anwar Shah Road hostel consists of two large separate buildings, one for the ladies and the other for the gents, while having a common kitchen and dining hall. It is the hostel of the CS and the EEC department of engineering students of the university.

In recognition of the growing dissatisfaction and hence complaints among the inmates of the hostel regarding the menu served for dinner, the Dean of the engineering department, Dr Aparesh Sanyal, personally decided to investigate the matter. He set about collecting information about the preference of dinner among the inmates, separately from the gents and the ladies wing of the hostel.

Dr Sanyal was able to gather the following partial information :  

 

Hostel inmates

Menu preference for dinner

Total

Egg Meal

Fish Meal

Chicken Meal

Gents

   

20

 

Ladies

     

64

Total

 

60

   

 

The Warden of the hostel was consulted, who after investigation declared that the following facts were clear :

1. Forty percent of the hostel inmates were ladies

2. One-third of the gentlemen inmates preferred an egg meal for dinner

3. Half the hostel inmates preferred either fish meal or chicken meal

Question:

What proportion of the lady hostel inmates preferred a fish meal for dinner ?

 

 

Option: 1

0.25

 

 


Option: 2

0.50

 


Option: 3

0.75

 


Option: 4

1.00 


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