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The present ages of A and B are in the ratio 3 : 5. After 8 years the ratio becomes 2 : 3. Find A's present age. (answer in years)

Competition practiceRatio, Proportion & Mixtures

A20
B28
C30
D24

Step-by-Step Solution

Let ages be

3 x

and

5 x . (3 x + 8) / (5 x + 8) = 2/3

→

9 x + 24 = 10 x + 16

→

x = 8. A = 3 \times 8 = 24

.

Answer: D) 24

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