Railways PYQCBT 2 2017

RRB NTPC · Question 81

A family consists of a grandmother, father, mother, and their four sons with their respective wives. Further, each son has a daughter and two sons. How many females are there in all?

  1. 12

  2. 14

  3. 9

  4. 10

Show answer & explanation

Answer: (D) 10

Explanation

Females: the grandmother (1), the mother (1), the four sons' wives (4) and one daughter for each son (4) – 10 in all.