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

The bar chart shows the revenue (in lakhs) of a company from three products-X, Y, and Z-over four years (2010 - 2013). In which year is the total revenue highest? 

Four friends-Alice, Bob, Charlie, and Dana-each buy a different fruit: apple, banana, orange, or grape. Alice does not buy grapes. Bob buys neither apples nor oranges. Charlie does not buy bananas. Who buys the orange?
Three employees-X, Y, Z-are assigned to three projects-P1, P2, P3. Each project gets one employee. X cannot work on P2. Y cannot work on P3. Who works on P2?
Three employees-X, Y, Z-are assigned to three projects-P1, P2, P3. Each project gets one employee. X cannot work on P2. Y cannot work on P3, who works on P3?
A bar chart shows the number of customers visiting a store on five days: Monday (150), Tuesday (200), Wednesday (180), Thursday (220), Friday (250). What is the percentage increase in customers from Monday to Friday?

Using the table as, which product has the highest average sales across all cities? 

A bar chart shows the number of customers visiting a store on five days: Monday (150), Tuesday (200), Wednesday (180), Thursday (220), Friday (250), what is the average number of customers per day?
Four students-A, B, C, D-choose one subject each: History, Math, Science, English. A does not choose History. B does not choose Math. C does not choose English. Who chooses Science?
Four students-A, B, C, D-choose one subject each: History, Math, Science, English. A does not choose History. B does not choose Math. C does not choose English, who chooses History?

The following table shows the sales (in units) of four products across five cities in a month. Which city has the highest total sales across all products? 

A pie chart shows a company's revenue sources: Product Sales (50%), Services (30%), Investments (20%). If total revenue is 120,00,000, what is the revenue from Services? 
 

A pie chart shows a company's revenue sources: Product Sales (50%), Services (30%), Investments (20%). If total revenue is - 20,00,000, what is the difference between revenue from Product Sales and Investments? 
 

Four cities-W, X, Y, Z-are connected by roads. W is connected to X and Y. X is connected to W and Z. Y is connected to W and Z. Z is connected to X and Y. Which city has the most connections?
Four cities-W, X, Y, Z-are connected by roads. W is connected to X and Y. X is connected to W and Z. Y is connected to W and Z. Z is connected to X and Y, how many roads are there in total?
Four teams-P, Q, R, S-play in a tournament. Each team plays exactly one match against each other team. P wins against Q and R. S wins against Q. R wins against S, using the same setup as Question 19, how many matches does Q win?
A line graph shows the monthly sales (in units) of a product in 2013. January: 200, February: 250, March: 300, April: 280, May: 320. What is the average monthly sales from January to May?
A line graph shows the monthly sales (in units) of a product in 2013. January: 200, February: 250, March: 300, April: 280, May: 320, what is the percentage increase in sales from January to March?
Four teams-P, Q, R, S-play in a tournament. Each team plays exactly one match against each other team. P wins against Q and R. S wins against Q. R wins against S. Which team has the most wins?
Three boxes contain gold, silver, and bronze coins. One box has only gold, one only silver, one only bronze. Labels are incorrect. You choose one box and draw one coin at random. It’s gold, what is the probability you chose the box labeled "Silver"?
Three boxes contain gold, silver, and bronze coins. One box has only gold, one only silver, one only bronze. Labels are incorrect. You choose one box and draw one coin at random. It’s gold. What is the probability the other coins in that box are also gold?
A school schedules four classes-Math, Physics, Chemistry, and Biology-in four time slots (9 AM, 10 AM, 11 AM, 12 PM). Math is not at 9 AM. Chemistry is immediately before Physics. Biology is not at 12 PM. Which class is at 11 AM?
A school schedules four classes-Math, Physics, Chemistry, and Biology-in four time slots (9 AM, 10 AM, 11 AM, 12 PM). Math is not at 9 AM. Chemistry is immediately before Physics. Biology is not at 12 PM, which class is at 9 AM?
Five people-A, B, C, D, and E-are seated in a row. A is not next to B. C is next to D. E is not at the ends, who can be at the leftmost end (position 1)?
Five people-A, B, C, D, and E-are seated in a row. A is not next to B. C is next to D. E is not at the ends. Who is in the middle?
Four friends-Alice, Bob, Charlie, and Dana-each buy a different fruit: apple, banana, orange, or grape. Alice does not buy grapes. Bob buys neither apples nor oranges. Charlie does not buy bananas, who buys the grapes?