Question

As present age in years is 20% of B age .After 30years. A age will be 1/2of B.The sum of the present ages of A and B is

Answer 1

Answer:

Present age :

A = 2x, B = x

After 30 years :

A = 2X + 30, B = X + 30

so,2x+30=1

1/2

(x+30)

4x + 60 = 3x + 90

x = 30

∴ Present age of B = 30 years

Present age of A = 2 x 30 = 60 years