CAT 2025 Success Formula: Surfing through Escalators, Venn Diagrams Puzzle Questions, and Participles - Day 34

CAT 2025 Success Formula: Surfing through Escalators, Venn Diagrams Puzzle Questions, and Participles - Day 34

Edited By Irshad Anwar | Updated on Jun 18, 2025 05:21 PM IST | #CAT

Mastering escalator problems, Venn diagram puzzles, and participle questions can significantly boost your CAT preparation and overall score. On Day 34 of the Careers360 60-day guide, we focus on important Time, Speed, and Distance questions from the Quantitative Aptitude section, complex logical reasoning through Venn diagrams in Data Interpretation and Logical Reasoning, and essential participle questions in Verbal Ability and Reading Comprehension. In this article, we will discuss topics that help sharpen your problem-solving abilities, analytical thinking, and accuracy, all crucial for cracking the CAT 2025 successfully.

This Story also Contains
  1. CAT Preparation 2024 in 60 days
  2. Free PDFs for CAT 2024 preparation
  3. Tips and Tricks to Solve Venn Diagrams
CAT 2025 Success Formula: Surfing through Escalators, Venn Diagrams Puzzle Questions, and Participles - Day 34
CAT 2025 Success Formula: Surfing through Escalators, Venn Diagrams Puzzle Questions, and Participles - Day 34

CAT Preparation 2024 in 60 days

Preparing for CAT 2024 in 60 days requires a focused and strategic approach. With disciplined study, regular practice, and smart revision, you can strengthen key concepts, improve speed, and boost accuracy.

Part-1: Quantitative Aptitude for CAT exam

Important Concept/Formula Used in Time, Speed and Distance escalator problems

Time speed distance escalator problems:

  1. Moving ‘with’ the escalator means one has to climb fewer steps on one’s own. (Similar to downstream)

  2. Moving ‘against’ the escalator means one has to climb more steps on one’s own. (Similar to upstream)

  3. Types of Escalator based problems:

  • Length-related questions

  • Time-related questions

  • Steps-related questions

  • Speed-related questions

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CAT Exam:

Previous Year CAT Questions On Time, Speed and Distance (Escalator):

Q1. Rakesh takes 45 seconds on an escalator which is moving down when he walks down but takes 35 seconds when he runs down. He takes 25 steps when he walks whereas he takes 35 steps when he is running. What is the total number of steps in the escalator? [TITA, Based on CAT]

Common escalator problems and solutions:

Let the speed of the escalator be ‘x’ steps per second.

tsd CAT Questions Escalator Trick: The distance covered in going down in both cases should be the same.

Distance covered when he is walking = 25 + 45x (45x is covered by escalator)

Distance covered when he is running = 35 + 35x (35x is covered by escalator)

=> 25 + 45x = 35 + 35x

=> x = 1

Total number of steps = 25 + 45(1) = 70 steps

Time speed distance escalator problems

Q2. Amit and Sumit are climbing on a moving escalator that is going up. Amit takes 40 steps to reach the top whereas Sumit takes 45 steps for the same. Sumit takes 5 steps whereas Amit can take only 4 steps in one second. What is the total number of steps in the escalator? [TITA, Based on CAT]

Common escalator problems and solutions:

tsd CAT Questions Escalator Trick 1: First find the time taken by both to reach the top

For Amit, t = 45/5 = 9 seconds

For Sumit, t = 40/4 = 10 seconds

Let the escalator move with a speed of x steps per second.

tsd CAT Questions Escalator Trick 2: The distance covered in going down in both cases should be the same.

=> 9(5 + x) = 10(4 + x)

=> x = 5 steps per second

Number of steps in the escalator = 9(5 + 4) = 81 steps

Prerequisite for Escalator Questions For CAT

  • Relative speed

  • Upstream and downstream

  • Basics of Time, speed and distance

CAT 2025: VARC, DILR, and Quant MCQs & Weightages
Comprehensive CAT prep guide with focused practice on Verbal Ability, Data Interpretation & Logical Reasoning, and Quantitative Aptitude.
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CAT Exam Important Topic: Strategy to Prepare “Escalators (Time, speed and Distance) and Escalator Questions For CAT

Time, Speed and Questions for CAT (Escalator)

  • The height of each step does not matter.

  • Distance is measured in terms of steps.

  • The total steps by a person and the escalator are equal to the number of visible steps.

CAT study material: References to Study (Theory) Escalator Concepts

  • Escalator Questions For CAT

  • How to Prepare for Quantitative Aptitude for CAT by Arun Sharma (7th Edition; Pg No 335 to 339)

  • Rodha (YouTube, Link: https://www.youtube.com/watch?v=yzLtv86sWgI)

References to Study (Practice)Escalator Questions For CAT

  • Quantitative Aptitude for the CAT – Sarvesh Verma.

  • Rodha (YouTube, (Link: https://www.youtube.com/watch?v=RHflaojKVlI)

Part-2: CAT 2024 Preparation Tips: CAT DILR tips (Logical Reasoning and Data Interpretation)

CAT 2024 Syllabus Topic: Strategy to prepare “Venn Diagram” (Part-2) and Venn Diagram Questions

CAT Exam:

CAT Previous Year Questions on Venn Diagram :

Q1. A club has 256 members of whom 144 can play football, 123 can play tennis, and 132 can play cricket. Moreover, 58 members can play both football and tennis, 25 can play both cricket and tennis, and 63 can play both football and cricket. If every member can play at least one game, then the number of members who can play only tennis is?

  1. 32

  2. 38

  3. 43

  4. 45

Venn Diagram Questions with Solution: ANS. (3)

According to the information given in the question

1724315106942

Considering that all those who play all their games as X as shown in the above Venn diagram, we will consider Student’s playing football and cricket both as 63-x, Student’s playing football and tennis both will be 58-x and student’s playing cricket and tennis both as 25-x.

Venn Diagram Trick: Firstly, as we know each student is playing at least one game so the addition of all players playing must be equal to the total number of students.

Secondly, as we know student playing game is clearly given in question

So, solution would be like

Only football would be 144-(63-x + x + 58-x) =23+x

Similarly, only tennis would be 123-(58-x+x+25-x) =40+X

Venn Diagram Trick: Students playing all the games must be equal to 256

256= Cricket + only football + only tennis + both football and tennis

256 = 132 + 23+x + 40+x + 58-x

On solving we get

X = 3

So, they have asked for only tennis so we would put x=3 in 40+x

So, answer would be = 40+3=43

Q2. Out Of 60 students in a class, anyone who has chosen to study maths elects to do physics as well. But no one does maths and chemistry, 16 do physics and chemistry. All the students do at least one of the three subjects and the number of people who do exactly one of the three is more than the number who do more than one of the three. What are the maximum and the minimum number of people who could have done Chemistry only?

Venn Diagram Questions with Solution:

Trick for Venn Diagram: According to given information, draw Venn diagram as shown below:

1724315107045

All students studying at-least one subject so

P + M+ C +(P&C) = 60

P+M+C+14 = 60

P+M+C = 44

Trick for Venn Diagram: Apply the given condition in equations formed

The number of people who do exactly one of the three is more than the number who do more than one of the three => Only P + only C must be greater than P&M + 16

So,

Only P + Only C > P&M + 16

The Question needs the answer for maximum and minimum for only C

Since they are asking for maximum and minimum of Only C

The trick is for minimum Put only C as 0 and if this equation holds then minimum would be zero

For maximum put only C as 44 and then check for equation hold or not

So, by putting only C as zero we get

Only P+0 > P&M + 16

Now we can easily see that equation will hold, we can find many values for only P and P&M

Similarly, if we put only C as 44 which is maximum value still the equation will hold so the answer would be

Max = 44 and Min = 0

CAT entrance exam: Prerequisite to Venn Diagram Questions

  • Set Theory

  • Venn Diagram Basics

CAT syllabus 2024: References to Study (Theory) Venn Diagram Concepts

  • How to Prepare for Quantitative Aptitude for CAT by Arun Sharma (7th Edition: Page No 744- 748)

  • https://www.youtube.com/channel/UCHXQiDwicRon0tRuWj6r9HA (Rodha Youtube Channel)

  • CAT Exam:

References to Study (Practice) Venn Diagram Questions

  • How to Prepare for Quantitative Aptitude for CAT by Arun Sharma (7th Edition: Page No 749- 764)

  • CAT Previous years Papers and Sample Papers.

Part-3: CAT Exam Preparation 2024: CAT exam tips for VARC (Verbal Ability & Reading Comprehension)

CAT Exam Important Topic: Strategy to Prepare “Participles” for CAT-2024

CAT Important Basic Concept

Participles are forms of verbs that can be used as nouns, modifiers, and compound verbs.

CAT Previous Years' Questions on Participles

Find the error in the underlined part:

Question: Due to the slow-moving nature of tectonic plate movement, the oldest ocean crust is thought to date from the Jurassic period, formed from huge fragments of the Earth’s lithosphere and lasted 200 million years. [CAT PYQ]

  1. formed from huge fragments of the Earth’s lithosphere and lasted 200 million years.

  2. forming from huge fragments of the Earth’s lithosphere and lasting 200 million years.

  3. forming from huge fragments of the Earth’s lithosphere and lasted 200 million years.

  4. formed from huge fragments of the Earth’s lithosphere and lasting 200 million years.

Solution: [D]

The “oldest ocean crust” was “formed” in the past during the Jurassic period and is currently still around (since the word ‘oldest’ directed towards its presence, otherwise the word ‘oldest’ would not have been used). We need the past tense/participle verbs to be used correctly.

Option (A): The ocean crust was “formed” in the past” but if “lasted” is past tense then the oldest ocean crust is no longer around.

If you chose (B) or (C), “forming” implies the ‘oldest ocean crust is still being formed. and that part is no longer continuing to form but was formed at some point during the Jurassic period.

Option D is correct.

CAT 2024:

Prerequisite

  • Verb

  • Tenses and Sentence Verb agreement

Tips and Tricks for CAT Exam

  • To figure out which role a participle is playing, find the core of the sentence.

  • Try to spot the participle in this sentence.

  • Present participles always end in “-ing”

  • Past participles are generally identical to the past tense form of the verb.

CAT exam: References to Study (Theory)

  • Wren and Martin

  • Bodhee Prep CAT Preparation (https://www.youtube.com/watch?v=diPZrBHQ7rM)

CAT exam: References to Study (Practice)

  • Mastering the Verbal Ability for CAT by Ajay

  • CAT Previous years Papers and Sample Papers.

  • https://www.youtube.com/watch?v=Ql5ipQILsKM

Free PDFs for CAT 2024 preparation

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Tips and Tricks to Solve Venn Diagrams

Venn Diagram questions in the CAT exam appear frequently in the DILR section, testing your ability to understand and organise data involving overlapping sets. With the right techniques and regular practice, you can solve these questions accurately and within time limits.

1. Understand Set Terminology

Tip: Know what union (A ∪ B), intersection (A ∩ B), complement (A′), and subsets mean.

Example: If 40 students like Math (M) and 30 like English (E), A ∪ B = those who like at least one = M + E – M∩E.

2. Start with the Innermost Set

Tip: Begin solving from the part common to all sets (triple intersection in 3-set problems), then move outward.

Example: If 10 students like all three sports—Cricket, Football, and Hockey—place 10 in the intersection of all three circles first before filling other sections.

3. Use Variables for Unknowns

Tip: Assign variables to unknown segments and use given totals to form equations.

Example: If 100 people were surveyed, x like only A, y like A and B, z like all three, create equations:

Total = x + y + z + other regions = 100.

4. Draw Neat, Labelled Diagrams

Tip: Keep the diagram clean with labels for each region (Only A, A∩B, A∩B∩C, etc.).

Example: For a 3-set Venn diagram, label 7 distinct regions. It avoids confusion when plugging in values or solving equations.

5. Practice Common Set Patterns

Tip: Know standard expressions like “Only A” = A – (A∩B + A∩C – A∩B∩C).

Example: If 50 like A, 30 like both A and B, and 10 like all three, then "only A" = 50 – (30 – 10) (A∩C – A∩B∩C).

6. Use Total = A + B + C – (Pairwise Intersections) + (All Three)

Tip: Apply the inclusion-exclusion principle.

Example: If:

  • A = 60

  • B = 70

  • C = 50

A∩B = 30

B∩C = 20

A∩C = 25

A∩B∩C = 15

Then Total = 60 + 70 + 50 – (30 + 20 + 25) + 15 = 120

7. Use Complementary Information Wisely

Tip: Subtract people outside the sets from the total to focus only on those involved.

Example: Out of 200 students, 40 like none of the three subjects. So, only 160 belong inside the Venn Diagram.

Practice and remain focused; Day 35 will be posted tomorrow.

Frequently Asked Questions (FAQs)

1. How do I solve escalator-based CAT questions efficiently?

Visualise escalator problems as relative speed problems. Use the formula: Relative Speed = Speed of person ± Speed of escalator, depending on direction. Practice varied types to build speed and confidence.

2. What’s the best approach to tackle 3-set Venn Diagram puzzles in CAT?

Start from the intersection of all three sets, then fill outward. Use variable substitution for unknowns and apply the inclusion-exclusion principle for accurate calculations and logical deductions.

3. How are participles tested in CAT VARC, and how should I prepare?

Participles aren't tested directly, but knowing them improves grammar and sentence structure understanding. Practice identifying participles in RCs and para jumbles to improve comprehension and sentence flow.

4. Can escalator problems appear as Data Interpretation questions in CAT?

Yes, escalator or TSD-based logic may feature in DI sets. Recognise patterns, extract data efficiently, and apply logical formulas to solve them in time-sensitive environments.

5. Why is mastering participles important for VARC precision?

Participles help identify verbals, clarify sentence intent, and avoid modifier errors in para jumbles and sentence rearrangement. Mastery ensures you spot structural flaws in options with greater accuracy.

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Questions related to CAT

Have a question related to CAT ?

Hello aspirant,

The question papers for CAT MGU University can be found on their official website, or you can also visit careers360 website for the same.

The link of which, I am attaching here,

https://university.careers360.com/articles/mgu-cat-2025

Regards

Hello Anshuman!!!
You have gotten 86% in 10th, which is a good score. 70% in graduation is not the best but decent. But the main problem is your 12th score which is 62%.

You would be already aware that the Top IIMs (BLACKI) give a big emphasis on your academic score. Let me tell you one example of IIM Ahmedabad,
According to a research i read a few days ago, in IIM Ahmedabad, 70.8% of students has 90+ percent in 12th, 25.8% has 80-90 percent and around 3.8% has less than 80% with the bracket of 60-69 having only 0.26% students of the total batch. Nearly same is the case of the other top IIMs like IIM Bangalore, IIM Calcutta, IIM Lucknow, IIM Kozhikode and IIM Indore.

Statistically, getting into these TOP IIMs is possible with 62% in 12th is possible (0.26% has done it) but practically you cannot get into these TOP IIMs unless you top the CAT exam.

See, I don't wish to dishearten or demotivate you but I wish to tell you the truth. Although the probability of you getting into these TOP IIMs is very less, but trying is better than doing nothing. You have a good score in 10th which will certainly help you. The least you could do is try your best.

My advice would be that you should not focus on these things like "Will I get top IIM" or negative talk like " I got low marks I won't qualify" etc. The main focus should be on your preparation. Give 100% in your preparation because that's the only thing in your hand. You can't change your 10th/12th/Graduation scores but you can put some more effort in your preparation which would certainly help to get better percentile.

Keep working hard and give your best. You might surprise yourself!!! And if not BLACKI, there are many other good colleges like FMS, MDI, newer IIMs etc.


Hello,

Yes, with a 622 rank in IPU CET for MBA and being a Delhi candidate, you have a good chance of getting admission in MAIT (Maharaja Agrasen Institute of Technology).

You don’t need to worry about not giving the CAT exam. IPU CET rank is enough for admission in MAIT under the CET quota.

Just make sure to keep MAIT high in your preference list during counselling.

Hope it helps !

Hello,

A NEET 2025 score of 333 marks, an All India Rank (AIR) near 3,56,000, and belonging to the SC category from Andhra Pradesh suggest a fair possibility of obtaining an MBBS seat within the state quota, especially in private medical colleges under Category A (government quota seats in private institutions).

In Andhra Pradesh, SC category cut-offs for Category A seats in private institutions generally vary from 320 to 370, influenced by the college and the counselling round. Government medical colleges tend to be more competitive, with the SC cut-off for MBBS frequently rising, often exceeding 400 marks.

Although obtaining a government MBBS seat is improbable, you stand a feasible opportunity in private medical colleges within A category (which offer lower tuition than B and C categories). In Round 2 or the Mop-Up round, you can anticipate improved opportunities, since cut-offs generally decrease when other students move to superior colleges or vacate seats.

Colleges such as NRI Medical College (Guntur), Katuri Medical College (Guntur), Great Eastern Medical School (Srikakulam), Alluri Sitarama Raju Academy of Medical Sciences (Eluru), and Fathima Institute of Medical Sciences (Kadapa) are among those where seats could become available for SC students in subsequent rounds under Category A.

Hope this helps. All the best!

Yes, candidates who qualify in CUSAT CAT can gain admission to various participating institutes based on their rank. These include engineering colleges associated with CUSAT, such as its own School of Engineering in Kochi, Model Engineering College, and over 20 government and private engineering colleges across Kerala like College of Engineering Thrikkaripur, Co-operative Institute of Technology Vadakara, and MG College of Engineering Thiruvallam. The final seat allotment is based on your rank and your choice of program during the counselling process.

View All

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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