The difference between the ages of two persons is 10 years. Fifteen years ago, the elder one was twice as old as the younger one. The present age of the elder person is :

A) 25 years

B) 35 years

C) 45 years

D) 55 years


The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child ?

A) 4 years

B) 8 years

C) 10 years

D) None of these


The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A ?

A) 12

B) 24

C) C is elder than A

D) Data inadequate

E) None of these


The age of father 10 years ago was thrice the age of his son. Ten years hence, father's age will be twice that of his son. The ratio of their present ages is :

A) 5:2

B) 7 : 3

C) 9 : 2

D) 13 : 4


A person's, present age is two-fifth of the age of his mother. After 8 years, he will one-half of the aere of his mother. How old is the mother at Dresent ?

A) 32 years

B) 36 years

C) 40 years

D) 48 years