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The present ages of Anil and Bhuvan are in the ratio 5 : 7. Eight years from now the ratio will be 7 : 9. What is Anil's present age (in years)?

Competition practiceRatio, Proportion & Mixtures

A20
B28
C16
D24

Step-by-Step Solution

Let the ages be

5 x

and

7 x . (5 x + 8) / (7 x + 8) = 7/9

gives

45 x + 72 = 49 x + 56

, so

x = 4

. Anil is

5 \times 4 = 20

.

Answer: A) 20

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