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
A) 11	B) 13	C) 14	D) 12	E) 10
Explanation :   Let Somu's age be x and that of his father be 3x.   So, x - 5 = 3x - 5/5 = x = 10   Answer : Option 10
<result>E</result>
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 ?