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Cracking the Common Admission Test (CAT) is not only about perseverance and hardwork. You also need to think strategically about the right choices to make it count. In this era of competition, one has to strike a perfect balance between smart work and hardwork. So, keeping that in mind, we and you, together will devise the perfect strategy, which will save tonnes of your time and ensure that you get a headstart in the race.
Purpose of this document is to make you understand how to study for the CAT exam. By the end of this document, you will have clarity on how to tackle every topic that is included in the syllabus for the exam. We, at EduRev, believe in 3R  Read, Revise and Repeat and strongly recommend you to use this strategy throughout your preparation for this exam.
Before starting any subject, it is mandatory that you go through the syllabus first. We suggest you get familiar with the syllabus as having the syllabus at your fingertips is 20% of the preparation done. You can check the syllabus here:
Syllabus Link (add link)
Once you are familiar with the syllabus, we suggest you go through the previous year's questions to get an idea about the type and level of the questions being asked in the Exam. You can access previous year questions with solutions and detailed explanations here (add link).
Here are a few Questions to help you understand the type of questions asked during the exam:
Ques 1 (CAT 2020) : A farmer had a rectangular land containing 205 trees. He distributed that land among his four daughters – Abha, Bina, Chitra and Dipti by dividing the land into twelve plots along three rows (X,Y,Z) and four Columns (1,2,3,4) as shown in the figure below:
The plots in rows X, Y, Z contained mango, teak and pine trees respectively. Each plot had trees in nonzero multiples of 3 or 4 and none of the plots had the same number of trees. Each daughter got an even number of plots. In the figure, the number mentioned in top left corner of a plot is the number of trees in that plot, while the letter in the bottom right corner is the first letter of the name of the daughter who got that plot (For example, Abha got the plot in row Y and column 1 containing 21 trees). Some information in the figure got erased, but the following is known:
Q. How many mango trees were there in total?
A. 126
B. 84
C. 98
D. 49
Correct Answer: C
Q. Which of the following is the correct sequence of trees received by Abha, Bina, Chitra and Dipti in that order?
A. 50, 69, 30, 56
B. 60, 39, 40, 66
C. 44, 87, 24, 50
D. 54, 57, 34, 60
Correct Answer: A
Q. How many pine trees did Chitra receive?
A. 15
B. 18
C. 30
D. 21
Correct Answer: B
Q. Who got the plot with the smallest number of trees and how many trees did that plot have?
A. Abha, 4 trees
B. Dipti, 6 trees
C. Bina, 3 trees
D. Bina, 4 trees
Correct Answer: C
Q. Which of the following statements is NOT true?
A. Bina got 32 pine trees.
B. Chitra got 12 mango trees.
C. Abha got 41 teak trees.
D. Dipti got 56 mango trees.
Correct Answer: A
Q. Which column had the highest number of trees?
A. 3
B. Cannot be determined
C. 2
D. 4
Correct Answer: D
Explanation:
From the statement point 4) and 6), we can say both Abha and Bina will get 4 plots each (as each daughter got an even number of plots) .
As Dipti got 2 plots, which also means Chitra gets 2 plots (12 442 = 2).
Now let's say Abha gets “a” trees.
So number of trees with Chitra = a – 20
And number of trees with Dipti = a + 6
Now if the number of teak trees in column 2 was x then
Total number of teak trees = x + 2x + 4x + 21 = 7x + 21
From statement point 9) number of mango trees = 2(7x+21 ) = 14x +42
Now as we can see minimum number of trees in Row Z – column 1 and column 2 can be 7 (3, 4 or 4,3)
Which means 7x+21 + 14x + 42 <= 205  (7+9+28) = 161
Or 21x <= 98
As x is an integer and multiple of 3 or 4 so x can be either 3 or 4 only ( if x = 5 , 21x = 105 > 98)
If x = 3, not possible because if x = 3 , 4x = 12 which means two plots (Row X column 1 and Row Y column 4) will have the same number of trees, which is not possible.
Thus, x = 4.
Number of teak trees = 7x + 21 = 7*4 + 21 = 49
Number of mango trees = 14x + 42 = 14*4 + 42 = 98
Thus Number of pine trees = 205 – 98 – 49 = 58
Sum of number of trees in Row Z – column 1 and column 2 = 58 – 28 – 9 = 21
Possible pair (3,18) or (6,15)
From the statement point 5) and 6) Dipti must get 2 plots one each in column 3 and column 4. So she can get a plot only in Row X or Row Z.
Now from point 8) Dipti didn’t get a plot adjacent to Chitra so Dipti should get plots in row X.
Thus we can make the following arrangements –
Number of trees with A = 9+21+ 16 +4 = 50
So a = 50
Now number of trees with C = a 20 = 50 – 20 = 30
Number of trees with D= a+6 = 50+6 =56
Number of trees with B = 205  (56 + 50 + 30) = 69
So, number of trees in Row Z column 2 = 30 – 12 = 18
Number of trees in Row Z column 1 = 21 – 18 = 3
Number of trees in Row X column 2 = 69 – 3 – 8 – 28 = 30
D has the plot with 32 trees.
Thus final trees – plot diagram will be as below –
All the questions can be answered now.
Practice questions are either too easy, or are too tough that the first step is very difficult to figure out. It is very important to understand the thought process of someone who scores well in the section. So, understanding the thought process of an expert while solving a CAT  level DILR question set is what will help you bridge the gap and get to 99 percentile.
Lakshya Kumar, CAT 2019 topper (99.99 percentile) shared his preparation strategy for CAT DILR sections.
Lakshya stated  “Data Interpretation and Logical Reasoning section during my preparation phase was attempting a wide variety of questions from the previous year papers of CAT and then reattempting them. During the mocks, I made sure that I read all the question sets fire and then picked out the ones that were easy and could be managed instead of doing the questions in order of question paper. After all, CAT is never about attempting all questions but getting one more right than your competitors”.
Key Takeaway:
“Selecting the right puzzle is half the battle won.”
Focus enormously on finding the right puzzle in an exam setting. Make sure, you definitely attempt the right puzzles, not the toughest ones.
It is considered to be the most challenging section. This section assesses your ability to solve problemsolving skills. Regular practice will help you to get an edge over others. You should begin with understanding and developing basic concepts. The various topics included in this section are:
Some tips that will help you to score well in CAT 2021 Verbal Ability and Reading Comprehension section:
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