The ratio of ages of a father and his son was 5:what is the age of the son father five years,if the ratio of their ages is 3:1 by this time :

The ratio of ages of a father and his son was 5:what is the age of the son father five years,if the ratio of their ages is 3:1 by this time :

A 7

B 10

C 12

D 14

Solution

Correct Answer: Option B