List of top Data Interpretation & Logical Reasoning (DILR) Questions asked in CAT

Using the same bar graph, what is the percentage increase in production of product Q from 2013 to 2015?

Using the same bar graph, what is the average production of product R over the three years?

The line graph shows monthly closing stock prices (in Rs.) of Company X for Jan-Apr 2015: Jan = 100, Feb = 120, Mar = 110, Apr = 130. What is the percentage increase from Jan to Apr?

Using the same line graph, in which month was the stock price the lowest?

Using the same line graph, what is the average stock price over the four months?

Using the same line graph, what is the absolute difference between the highest and lowest stock prices?

A shop sells items A and B. Item A: cost price Rs. 100, sold at 20% profit. Item B: cost price Rs. 200, sold at 25% profit. Total profit from 10 items is Rs. 250. How many of item A were sold?

Using the same caselet, what is the total selling price of all 10 items?

Using the same caselet, what is the total cost price of all 10 items?

Using the same caselet, what is the average profit per item?

Using the same caselet from questions 29-32 (A shop sells items A and B. Item A: cost price Rs. 100, sold at 20% profit. Item B: cost price Rs. 200, sold at 25% profit. Total profit from 10 items is Rs. 350, with 5 items of A and 5 items of B sold), what is the percentage contribution of item A's profit to the total profit?

The table below shows the sales (in Rs. lakh) of four products A, B, C, and D across four quarters of 2015. What is the total sales of product A across all quarters?

Using the same table, which product has the highest average sales per quarter?

Course Enrollment
In a college, 120 students are enrolled in three courses: Math (M), Physics (P), and Chemistry (C).

- 70 take Math
- 60 take Physics
- 50 take Chemistry
- 30 take both Math and Physics
- 20 take both Physics and Chemistry
- 15 take both Math and Chemistry
- 10 take all three courses

Team Selection Puzzle
A manager must select a team of 3 employees from 5 (E1, E2, E3, E4, E5) with the following conditions:

1. If E1 is selected, E2 is not selected
2. E3 and E4 cannot both be selected
3. E5 is always selected

Expenditure Distribution
A company’s expenditure in 2015 (total Rs. 200 crores) is distributed as follows:

- Salaries: 40%
- Rent: 20%
- Utilities: 15%
- Marketing: 10%
- Miscellaneous: 15%

Book Arrangement
Five books (A, B, C, D, E) are arranged in a row on a shelf. The following conditions apply:

1. Book A is not at either end
2. Book B is to the immediate left of Book C
3. Book D is not adjacent to Book E
4. Book E is in the third position

Sales Revenue of Four Stores
The table below shows the sales revenue (in Rs. lakhs) of four stores (P, Q, R, S) in three months (January, February, March) in 2015.