The ratio between A and B’s present age is 4:5. If the ratio of their ages 5 years ago was 3:4, find the present age of B.

Q. 18 years ago, the ratio of A' s age to B's age was 8:13. Present ratio of their ages is 5:7. What is the present age of B?

Q. The ratio between A and B’s present age is 4:5. If the ratio of their ages 5 years ago was 3:4, find the present age of B.

Q.

The ages of A and B are in the ratio 5 : 7. Four years from now the ratio of their ages will be 3 : 4. The present age of B is

(a) 20 years

(b) 28 years

(c) 15 years

(d) 21 years

Q. Tick (✓) the correct answer:
The ages of A and B are in the ratio 5 : 7. Four years from now the ratio of their ages will be 3 : 4. The present age of B is
(a) 20 years
(b) 28 years
(c) 15 years
(d) 21 years

Q. Mark (✓) against the correct answer
The ages of A and B are in the ratio 5 : 2. After 5 years, their ages will be in the ratio 15 : 7. The present age of A is

(a) 48 years
(b) 36 years
(c) 40 years
(d) 35 years