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Q.

The present age of a man is 3 times that of his son. Ten years ago, he was 5 times as old as his son, then age of the son 3 years later (in years) is

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a

23

b

13

c

10

d

20

answer is D.

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Detailed Solution

10 years x-10son  3x-10father

present       x          3x

3x-10=5(x-10)

2x=40

x=20

∴ Age of son 3 years later =20+3

=23 years

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