RRB NTPC · Question 50
X and Y are parents of four married sons, one married daughter and one unmarried daughter living in a joint family. Two of the sons have two daughters and one son each. The other two have two sons and one daughter each. How many male members are there in the family? A. 9 B. 10 C. 11 D. 12
Show answer & explanation
Answer: (B) D
Explanation
Males: the father X (1), the four married sons (4), and the grandsons: two sons have one son each (2) and the other two have two sons each (4), giving 11. The married daughter also lives in the joint family, so her husband adds 1 more, making 12 male members (the official answer).