CAT Reasoning Based DI previous year questions

51 Reasoning Based DI questions from CAT 2021–2025 (DILR), each with its answer and a step-by-step solution.

• Q6What was the total number of two-author and three-author papers written by Brajen?CAT 2025 Slot 2 · DILR · Reasoning Based DI
• Q7Which of the following statements is/are NECESSARILY true? i. Chintan wrote exactly three two-author papers. ii.…CAT 2025 Slot 2 · DILR · Reasoning Based DI
• Q8Which of the following statements is/are NECESSARILY true? i. Arman wrote three-author papers only with Chintan and…CAT 2025 Slot 2 · DILR · Reasoning Based DI
• Q9If Devon wrote more than one two-author papers, then how many two-author papers did Chintan write?CAT 2025 Slot 2 · DILR · Reasoning Based DI
• Q19What was the duration of calls (in minutes) from Bijay to Anu?CAT 2025 Slot 3 · DILR · Reasoning Based DI
• Q20What was the total duration of calls (in minutes) made by Anu to friends having mobile numbers from Operator Yocel?CAT 2025 Slot 3 · DILR · Reasoning Based DI
• Q21What was the total duration of calls (in minutes) made by Faruq to friends having mobile numbers from Operator Yocel?CAT 2025 Slot 3 · DILR · Reasoning Based DI
• Q22What was the duration of calls (in minutes) from Deepak to Chetan?CAT 2025 Slot 3 · DILR · Reasoning Based DI
• Q15What was the total number of stars received by D?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q16What was the number of stars received by D from Y?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q17How many surfers distributed their stars among exactly 2 bloggers?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q18Which of the following can be determined with certainty? I. The number of stars received by C from M II. The number of…CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q19How many countries in Asia were visited by at least one of Dheeraj, Samantha and Nitesh?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q20How many countries in Europe were visited only by Nitesh?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q21How many countries in the ROW were visited by both Nitesh and Samantha?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q22How many countries in Europe were visited by exactly one of Dheeraj, Samantha and Nitesh?CAT 2024 Slot 1 · DILR · Reasoning Based DI
• Q10How many buyers gave ratings on Day 1?CAT 2024 Slot 2 · DILR · Reasoning Based DI
• Q11What is the daily average rating of Day 3?CAT 2024 Slot 2 · DILR · Reasoning Based DI
• Q12What is the median of all ratings given on Day 3?CAT 2024 Slot 2 · DILR · Reasoning Based DI
• Q13Which of the following is true about the cumulative average ratings of Day 2 and Day 3?CAT 2024 Slot 2 · DILR · Reasoning Based DI
• Q10How many subscribers belonged to the ‘Others’ category in 2024?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q11What percentage of subscribers in the ‘Kid’ category used multiple apps in 2023?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q12What was the percentage increase in the number of subscribers in the ‘Elder’ category from 2023 to 2024?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q13What could be the minimum percentage of subscribers who used multiple apps in 2024?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q18How many times the AC must have been turned off between 11:01 pm and 1:59 am?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q19What was the temperature outside, in degree Celsius, at 1 am?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q20What was the temperature outside, in degree Celsius, at 9 pm?CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q21What best can be concluded about the number of times the AC must have either been turned on or the AC temperature…CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q22What was the maximum difference between temperature outside and inside temperature, in degree Celsius, between 11:01…CAT 2024 Slot 3 · DILR · Reasoning Based DI
• Q11Considering all three years, which company had the highest annual profit?CAT 2022 Slot 2 · DILR · Reasoning Based DI
• Q12Which of the four companies experienced the highest annual loss in any of the years?CAT 2022 Slot 2 · DILR · Reasoning Based DI
• Q13The ratio of a company's annual profit to its annual costs is a measure of its performance. Which of the four…CAT 2022 Slot 2 · DILR · Reasoning Based DI
• Q14The total number of employees lost in 2019 and 2020 was the least for:CAT 2022 Slot 2 · DILR · Reasoning Based DI
• Q15Profit per employee is the ratio of a company's profit to its employee strength. For this purpose, the employee…CAT 2022 Slot 2 · DILR · Reasoning Based DI
• Q1In 2000, what was the ratio of the number of dead males to dead females among those being tracked?CAT 2022 Slot 3 · DILR · Reasoning Based DI
• Q2How many people who were being tracked and who were between 30 and 40 years of age in 1980 survived until 2010?CAT 2022 Slot 3 · DILR · Reasoning Based DI
• Q3How many individuals who were being tracked and who were less than 30 years of age in 1980 survived until 2020?CAT 2022 Slot 3 · DILR · Reasoning Based DI
• Q4How many of the males who were being tracked and who were between 20 and 30 years of age in 1980 died in the period…CAT 2022 Slot 3 · DILR · Reasoning Based DI
• Q5How many of the females who were being tracked and who were between 20 and 30 years of age in 1980 died between the…CAT 2022 Slot 3 · DILR · Reasoning Based DI
• Q17The total sales (in ₹ million) in 2019 from products in office supplies category is closest toCAT 2021 Slot 1 · DILR · Reasoning Based DI
• Q18The percentage increase in sales in Furniture category from 2019 to 2020 is closest toCAT 2021 Slot 1 · DILR · Reasoning Based DI
• Q19How many subcategories had sales of ₹ 4 million or more in 2019 and registered an increase in sales in excess of 25%…CAT 2021 Slot 1 · DILR · Reasoning Based DI
• Q20The improvement index for a category is the maximum percentage increase in sales from 2019 to 2020 among any of its…CAT 2021 Slot 1 · DILR · Reasoning Based DI
• Q1How many days between Sep 1 and Sep 14 (both inclusive) had no booking from this client considering all the above…CAT 2021 Slot 2 · DILR · Reasoning Based DI
• Q2What was the average processing time of all orders in the categories which had only one type of ship mode?CAT 2021 Slot 2 · DILR · Reasoning Based DI
• Q3The sequence of categories -- Art, Binders, Paper and Phones -- in decreasing order of average processing time of…CAT 2021 Slot 2 · DILR · Reasoning Based DI
• Q4Approximately what percentage of orders had a processing time of one day during the period Sep 1 to Sep 22 (both dates…CAT 2021 Slot 2 · DILR · Reasoning Based DI
• Q5Which of the following statements is/are true? I: The total project-month was the same for the four employees. II: The…CAT 2021 Slot 3 · DILR · Reasoning Based DI
• Q6Which employees did not work in multiple projects for any of the months in 2020?CAT 2021 Slot 3 · DILR · Reasoning Based DI
• Q7The project duration, measured in terms of the number of months, is the time during which at least one employee worked…CAT 2021 Slot 3 · DILR · Reasoning Based DI
• Q8The list of employees in decreasing order of annual completion index is:CAT 2021 Slot 3 · DILR · Reasoning Based DI