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CAT with Confidence: Diving into Complex Numbers, Calendar Puzzles, and PYQs on Critical Reasoning- Day 54
Edited By Irshad Anwar | Updated on Sep 25, 2023 01:44 PM IST | #CAT
Hello CAT 2023 candidates, Hope you have got your admit cards for the CAT exam 2023. The common admission test is scheduled for November 26 in preparation for MBA admissions from 2024- 2026. On day 54 of Careers360's 60-day CAT 2023 preparation guide, we'll discuss strategy and approaches for complex number questions and calendar aptitude questions that can help you study effectively and ace the CAT entrance test in 2023. Students can download the calendar reasoning questions pdf.
Free Study Material: VARC | DILR | Quant | Chapter-wise Practice MCQs
CAT 2024: 60-day study material | CAT'23 Official Question with Solutions (Slot 1, 2, 3)
Test: 20 Free Mock Test | 10 Year PYQs | Most Scoring Concepts
This article includes complex numbers questions, complex numbers formulas for CAT exam, CAT calendar questions and PYQs on critical reasoning. complex numbers questions are bit tricky to solve and many students also get confused between quadratic equations. Aspirants must learn how to distinguish between both concepts and should do a thorough revision of the concept and practice set questions. CAT Preparation 2023 in 60 days
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:
Contains real as well as imaginary parts.
Eg: 2+ 3i
Real part = 2
Imaginary part = 3
iota (i) = -1
CAT 2024 Most Scoring Concepts- VARC, DILR & QUANT
Start your CAT journey today and download CAT 2024 most scoring concepts PDF, including study materials based on CAT previous year papers, CAT question papers, and CAT exam sample questions.
Download EBookThe complex conjugate of (a+ ib) is (a- ib).
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:
i4k = 1 (where k is a positive integer)
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)
Less frequently asked in the CAT Exam. Do not waste much time. Keep this topic for last.
Practice Previous years questions to get familiar with the types of questions being asked.
CAT entrance exam: Prerequisite to complex numbers questions
Basics of the number system
Imaginary Numbers
References to Study (Theory) complex numbers
NCERT Class 11
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:
How to Prepare Quantitative Aptitude by Arun Sharma (7th Edition)
( https://www.youtube.com/watch?v=VlEwd_dq-9s&t=2920s)
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:
Concept of odd days Number of days divided by 7 and the remainder is odd days.
Concept of leap year
Any year (Not multiple of 100) divisible by 4
Any year (multiple of 100) divisible by 400
Concept of finding a day on a given date.
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]
Monday
Thursday
Sunday
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]
Thursday
Friday
Saturday
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:
An ordinary year starts with and end on the same day.
A leap year-end with a day after it starts.
Odd days in a week is ‘0’.
A century can not end on Tuesday, Thursday or Saturday.
After every 400 years the calendar repeats.
Practice separately each kind of question.
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
Knowledge of reading a calendar
Basics Calculations
CAT study material: References to Study (Theory) Concept of Calendar
R S Agrawal
Rodha
(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:
MBA Entrance Previous years Papers and Sample Papers.
Unacademy CAT
(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?
It describes why people continue to use typewriters even in the digital age.
It argues that typewriters will continue to be used even though they are an obsolete technology.
It highlights the personal benefits of using typewriters.
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
- the new war memorial will be built right next to India Gate.
- there is no recognition of the Indian soldiers who served in the Second World War.
- funds will be wasted on another war memorial when we already have the India Gate memorial.
- 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
Conclusions are not generalised.
Conclusions have to be “No exception at all”.
Understand the difference between Inference and Conclusion
Rephrase the question in your words.
Generally, indirect questions are asked in CAT Exam (generally in the RCs). So, Practice different RCs appeared in CAT Exam.
Practice questions daily (Fewer questions but daily)
CAT 2023: Prerequisite to Statement and Conclusions
Knowledge of basic components of statements and arguments.
Reading Skills.
References to Study (Theory) Statement and Conclusions for CAT
How to Prepare for Verbal Ability and Reading Comprehension for CAT | 9th Edition Book by Arun Sharma and Meenakshi Upadhyay
Rodha (YouTube: https://www.youtube.com/watch?v=EL9hYXQteUU)
References to Practise CAT Questions on Statement and Conclusions
Verbal Reasoning by Disha Experts (kindle)
Unacademy CAT4MBA
(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!
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Have a question related to CAT ?
Hello aspirant,
Based on past years' statistics, the CAT cutoff, which is determined as a composite score for the FMS Delhi admission shortlist, is anticipated to be in the range of 52 to 55. On the other hand, the approximate CAT profile is said to be 99.
To know the cutoff you can visit the following link:
https://bschool.careers360.com/articles/fms-delhi-cat-cut-off
Thank you
Hope it helps you
Sajal Trivedi 16 October,2024
Hello aspirant,
The only on-screen calculator that CAT permits use is a simple one. It is not permitted for you to bring the actual calculator into the center. This approach is predicated on the idea that the CAT assesses an individual's aptitude for solving challenging mathematical puzzles and making fast mental computations.
Thank you
Sajal Trivedi 10 October,2024
A CAT percentile of 90 or above can strengthen your application to MICA, it is not the only factor that determines admission.MICA considers scores of CAT and MICAT which are weighted 50–50 percent for the interview call.
Strong performance in the Pshycometric test and descriptive writing increase your chances to get into mica even if you score 80 percentile.the admission is based upon whole performance including every marks.
ALL the best!!!!
sadafreen356 05 October,2024
Hello,
Here you can get study material for CAT :
https://bschool.careers360.com/download/ebooks/cat-quantitative-aptitude-questions-answers-pdf
Hope it helps !
Prachi Kumari 26 September,2024
Hello aspirant,
A timetable is essential if you are preparing for the CAT in addition to your college coursework. It will give you an idea of how long it will take you to finish your syllabus and then set aside the appropriate amount of time for revision and mock exams. Without a set timetable, you risk taking your time and not completing your preparation as thoroughly as is necessary.
Thank you
Hope it helps you.
Sajal Trivedi 26 September,2024
Popular CAT Questions
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:
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
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