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?
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.