Question

49.
The present ages of father and son are in the ratio 5:2. After 5 years, the
ratio will be 7:3. The present age of the son is –
(A) 20 years
(B) 30 years
(D) 50 years
(C) 40 years​

Answer 1

Answer:

(C) 40 years

Step-by-step explanation:

2 is substituted with 40

40 / 2 = 20 so we have to multiply 5 with 20

So the ratio is 100 : 40

After 5 years, 105 : 45

If simplified, it gives 7 : 3