P, Q, R, S, T and U are six members of a family. R is the spouse of Q, U is the mother of T and S is the…

P, Q, R, S, T and U are six members of a family. R is the spouse of Q, U is the mother of T and S is the daughter of U. P's daughter is T and R's son is P. There are two couples in the family. Which one of the following is correct?
  1. Q is the grandfather of T
  2. Q is the grandmother of T
  3. R is the mother of P
  4. T is the granddaughter of Q

Solution

R and Q are a couple at the grandparent generation; P is their son. P and U are the second couple; T and S are their daughters. So T is a granddaughter of Q. Option D is correct. Note: UPSC officially dropped this question (marked X in the Set A answer key); the answer shown follows the Vision IAS solution.

Asked in: CSAT 2022

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