AFCAT I 2017 Solved Paper

Let total age of family be G years.
3 years back, total age = G – 3 × 4 = G – 12
According to question
‌‌

G−12

4

=24
∴ G = 24 × 4 + 12 = 108 years
Let present age of baby = x
‌‌

G+x

5

=24

108+x

5

=24
⇒ 108 + x =120
∴ x = 120 - 108 = 12 years