CAT 2025 Slot 2 Question Paper with Solutions – Page 14
All 68 questions of CAT 2025 Slot 2. Tap Show answer, or open the detailed solution (free login). Page 14 of 19.
Questions 1–4 share this
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.
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.
What was the total number of two-author and three-author papers written by Brajen?
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Answer: 4
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Which of the following statements is/are NECESSARILY true?
i. Chintan wrote exactly three two-author papers.
ii. Chintan wrote more single-author papers than Devon.
i. Chintan wrote exactly three two-author papers.
ii. Chintan wrote more single-author papers than Devon.
- Only i
- Only ii
- Both i and ii
- Neither i nor ii
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Answer: D. Neither i nor ii
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Which of the following statements is/are NECESSARILY true?
i. Arman wrote three-author papers only with Chintan and Devon.
ii. Brajen wrote three-author papers only with Chintan and Devon.
i. Arman wrote three-author papers only with Chintan and Devon.
ii. Brajen wrote three-author papers only with Chintan and Devon.
- Both i and ii
- Only i
- Neither i or ii
- Only ii
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Answer: A. Both i and ii
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If Devon wrote more than one two-author papers, then how many two-author papers did Chintan write?
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Answer: 3