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CAT DILR questions – Logical Reasoning

Since 2015, the CAT DILR section has become increasingly difficult. In order to tackle the tougher CAT Level DILR questions for the CAT Exam, it is important to understand the basics of CAT. Data Interpretation sets and Logical reasoning puzzles were distinct in DILR. Data Interpretation and Logical Reasoning used to be about computation and understanding charts, graphs, and tables. Within that one hour, you get 5 high-quality puzzles, with some of them being quite challenging. You will solve 30 actual CAT puzzles in CAT 2018 and CAT 2019. The purpose of this page is to help you prepare for that. Take a crack at those puzzles!
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The question below is from previous year CAT question from CAT 2018 exam comes from CAT Logical Reasoning: Twenty four people are part of three committees…

Find out by answering this question which tests an aspirant’s DILR Ability Skills:

CAT 2018 - Slot 1 - Set 8 - Twenty four people are part of three committees

Twenty four people are part of three committees which are to look at research, teaching, and administration respectively. No two committees have any member in common. No two committees are of the same size. Each committee has three types of people: bureaucrats, educationalists, and politicians, with at least one from each of the three types in each committee. The following facts are also known about the committees:

1. The numbers of bureaucrats in the research and teaching committees are equal, while the number of bureaucrats in the research committee is 75% of the number of bureaucrats in the administration committee.
2. The number of educationalists in the teaching committee is less than the number of educationalists in the research committee. The number of educationalists in the research committee is the average of the numbers of educationalists in the other two committees.
3. 60% of the politicians are in the administration committee, and 20% are in the teaching committee.

Q. 1: Based on the given information, which of the following statements MUST be FALSE?

1. The size of the research committee is less than the size of the administration committee
2. In the teaching committee the number of educationalists is equal to the number of politicians
3. In the administration committee the number of bureaucrats is equal to the number of educationalists
4. The size of the research committee is less than the size of the teaching committee

Correct Answer: 1

Total = 24

Bureaucrats are in the ratio 3 : 3 : 4 only value will be 3, 3, 4. So x = 1

Educationalist n < m < o and m = (o + n) / 2

Politicians are in ratio 1 : 1 : 3 only value will be 1, 1, 3.

Possible value of m, n, o are 3, 2, 4 and 3, 1, 5.


Q. 2: What is the number of bureaucrats in the administration committee?

Correct Answer: 4

Q. 3: What is the number of educationalists in the research committee?

Correct Answer: 3

Q. 4: Which of the following CANNOT be determined uniquely based on the given information?

1. The total number of educationalists in the three committees
2. The total number of bureaucrats in the three committees
3. The size of the research committee
4. The size of the teaching committee

 

Correct Answer: 4

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