# A father is three times as old as his son. In 12 years time, he will be twice as old as hi son. Find the present ages of father and the son.

Let the present age of father be ‘a’ and present age of son be b.

Given, father is three times as old as his son. In 12 years time, he will be twice as old as hi son.

a = 3b and

a + 12 = 2(b + 12)

3b + 12 = 2b + 24

b = 12

Thus, a = 36

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