Question

In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?
A) 18 years
B) 12 years
C) 15 years
D) 16 years

Answer 1

Total age decreased = 4 *24 = 96 months = 8 years.
It means the difference of the ages between boy in and out would be = 20 - 8 = 12 years.

Answer 2

In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?
A) 18 years
B) 12 years
C) 15 years
D) 16 years

Answer: D) 16 Years