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Rekha's and Sheela's present ages are in the ratio 4 : 5. Eight years ago the ratio was 2 : 3. What is Sheela's present age? (answer in years)

Competition practiceRatio, Proportion & Mixtures

A16
B20
C24
D25

Step-by-Step Solution

Let ages be

4 x

and

5 x . (4 x - 8) / (5 x - 8) = 2/3

gives

12 x - 24 = 10 x - 16

, so

x = 4

. Sheela is

5 \times 4 = 20

.

Answer: B) 20

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