Six books are labelled A, B, C, D, E and F and are placed side by side. Books B, C, E and F have green covers while others have yellow covers. Books A, B and D are new while the rest are old volumes. Books A, B and C are law reports while the rest are medical extracts. Which two books are old medical extracts and have green covers ?
- (a) B and C
- (b) E and F ✓ UPSC's answer
- (c) C and E
- (d) C and F
Why the answer is (b)
• Green covers: B, C, E, F.
• Old volumes: C, E, F.
• Medical extracts: D, E, F.
• Books that are both old and medical extracts: E and F.
• Both E and F also have green covers.
• Therefore, the correct option is (b) E and F.
Why the other options are wrong
- (a) B and C
- B is new and a law report, and C is a law report, not a medical extract.
- (c) C and E
- C is a law report, not a medical extract.
- (d) C and F
- C is a law report, not a medical extract.
Asked in the CSAT Paper II of the UPSC Civil Services Preliminary Examination 2014, held on 24 August 2014. Question and answer key: Union Public Service Commission. Explanation: UPSC Answer Check.