The ratio of the son's age to the father's age is 1 : 4. The product of their ages is 196. The ratio of…

Let the present ages be $x$ and $4x$. Then $4x^2 = 196 \implies x^2 = 49 \implies x = 7$, so their present ages are $7$ and $28$. After 5 years, their ages will be…

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The ratio of the son's age to the father's age is 1 : 4. The product of their ages is 196. The ratio of their ages after 5 years will be :

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Correct answer C

Let the present ages be $x$ and $4x$ . Then $4x^2 = 196 \implies x^2 = 49 \implies x = 7$ , so their present ages are $7$ and $28$ . After 5 years, their ages will be $12$ and $33$ , giving the ratio $12 : 33 = 4 : 11$ .

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Rajasthan Clerk Grade 2

The ratio of the son's age to the father's age is 1 : 4. The product of their ages is 196. The ratio of…

Choose your answer

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