Question

A father is 30 years older than his son.Three years ago he was 3 times as old as his son.How old are both of them ​

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Question



A father is 30years older than his son. In 12years, the man will be three times as old as his son. Find their present ages.

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Solution



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Let the present age of the son be x years

Then father's age will be (x+30) years

Given after 12 years father will be three times as old as his son

Therefore,

(x+12)3=x+30+12

3x+36=x+42

3x−x=42−36

2x=6

x=3

x+30=3+30=33

So, the present age of son is 3 years and present age of the father is 33 years