Present age of father is 42 years and that of his son is 14 (a)    Present age of father to the present age of son.(b)    Age of the father to the age of son, when son was 12 years old.(c)    Age of father after 10 years to the age of son after 10 years.(d)   Age of father to the age of son when father was 30 years old.

Explanation

Present age of father 42 yrs

Present age of son 14 yrs

a)ratio=present age of father/present age of son=42/14=3:1

b)when son=12 yrs father will be=42-2=40yrs

ratio=age of father/age of son=40/12=10:3

c)after 10 years age of father=52 and son=24

ratio=age of father/age of son=52/24=13:6

d)when father=30 son willbe 2 yrs

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