** Question No : 15**

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 ?

12

13

14

15

** Question No : 16**

Santanu's grandfather was 8 times older to her 16 years ago. He would be 3 times of her age 8 years from now. What was ratio of ages of Santanu and her grandfather 8 years ago.

11:54

11:51

11:50

11:53

** Question No : 17**

The ages of X and Y are in the proportion of 6:5 and total of their ages is 44 years. The proportion of their ages after 8 years will be

8:7

6:3

3:6

9:5

** Question No : 18**

Ten years ago A was half of B in age. If the ratio of their present ages is 3 : 4, what will be the total of their present ages

40

35

25

30

** Question No : 19**

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

45

42

40

44