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Railways PYQCBT 1 2016

RRB NTPC · Question 36

If N's sister is M, then how is N related to O? Which of the following statements is/are necessary to answer this question? i. M's daughter is the granddaughter of O. ii. M's brother is N. A. Only i B. Only ii C. Either i or ii D. Both statements are required

  1. C

  2. A

  3. B

  4. D

Show answer & explanation

Answer: (D) D

Explanation

Statement i says M's daughter is O's granddaughter, so M is O's child (or child-in-law); statement ii tells us N is M's brother. Only with both can we place N as O's son, as per the official key.