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The ages of Harsh and Sumit are 40 Yrs and 60 yr, respectively. How many years before the ratio of their ages was 3:5?

A) 15 yr
B) 20 yr
C) 37 yr
D) 10 Yr

Correct Answer:




D) 10 Yr

Description for Correct answer:
Let x yr before, the ratio of their ages was 3 : 5.

According to the question,
\( \large\frac{40 - x}{60 - x} = \frac{3}{5}\)

200 - 5x = 180 - 3x = 2x => 20

x = 10

Part of solved Problem on ages questions and answers : >> Aptitude >> Problem on ages

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