The present ages of a father and his son are in the ratio 9 : 4. After 5 years, the ratio of their ages will be 2 : 1. What is the father's present age?

A. 40 years

B. 50 years

C. 45 years

D. 36 years

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc chsl Save WhatsApp Report

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Answer: C. 45 years

Answer: (C) 45 years

Let the ages be \(9x\) and \(4x\). \(\frac{9x + 5}{4x + 5} = \frac{2}{1} \Rightarrow 9x + 5 = 8x + 10 \Rightarrow x = 5\). Father \(= 9 \times 5 = 45\) years (son 20; after 5 years 50 and 25).

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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The present ages of a father and his son are in the ratio 9 : 4. After 5 years, the ratio of their ages will be 2 : 1. What is the father's present age?

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