CAT 2025 Question Paper | DILR Slot 2

CAT 2025 DILR was similar to CAT 2022 in pattern. All the four sets had 5 questions this year too. There were 6 TITA Questions. Atleast two sets were doable in each slot and one of the four sets was extremely tough. Choice of Sets became a crucial factor. Overall this section was at a medium to high level of difficulty.

The following charts depict details of research papers written by four authors, Arman, Brajen, Chintan, and Devon. The papers were of four types, single-author, two-author, three-author, and four-author, that is, written by one, two, three, or all four of these authors, respectively. No other authors were involved in writing these papers.



The following additional facts are known.
1. Each of the authors wrote at least one of each of the four types of papers.
2. The four authors wrote different numbers of single-author papers.
3. Both Chintan and Devon wrote more three-author papers than Brajen.
4. The number of single-author and two-author papers written by Brajen were the same.

Question 21 : Which of the following statements is/are NECESSARILY true?

i. Arman wrote three-author papers only with Chintan and Devon.
\nii. Brajen wrote three-author papers only with Chintan and Devon.

Video Explanation

Explanatory Answer

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The answer is 'Both i and ii'

Choice 4 is the correct answer.

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