Question

The age of a father is three times that of his son. After 5 years double of the father’s age will be five times the age of the son. The present ages of the father and the son respectively are

Answer 1

25 maybe let me do it again

Answer 2

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Let the age of son is x
Father age is 3x
After 5 years
Son age = x + 5
Father age = 3x + 5
ATQ
$2(3x + 5) = 5(x + 5) \\ 6x + 10 = 5x + 25 \\ 6x - 5x = 25 - 10 \\ x = 15$
Son age is 15 years
Father age is 15 x 3 = 45 years

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