Question

The number is
16. The ages of A and B are in the ratio 5:3. After 6 years, their ages will be in the ratio 7:5.The present age of A is
5 years
(b) 10 years
(cl 15 years
(d) 20 years​

Answer 1

Answer:

let present age of A is 5x

present age of B is 3x

5 x + 6 / 3x+ 6=7/5

25x+30=21x+42

4x=12

x=3

the present age of A=15