The age of Somu is one-third his father's. 5 years back he was one-fifth of his father's age. What is his persent age ?  Choose the correct choice from the following choices:  A) 11  B) 13  C) 14  D) 12  E) 10

Rationale: "explanation : let somu ' s age be x and that of his father be 3 x . so , x - 5 = 3 x - 5 / 5 = x = 10 answer : option e"
Answer: E