Question

A man is 42 years old and his son is 12 years old in how many years will the age of the son behalf of the age of the man at that time?​

Answer 1

Answer:

Let us assume that it takes 'x' years for the son to be half of father's age

So after 'x' years

Father's age = 42+x

Son's age = 12+x

Then as per given condition

Son's age = 1/2 of father's age

That is, 12+x = 1/2(42+x)

2(12+x) = 42+x

24+2x = 42+x

2x-x = 42-24

x = 18

So, there you go it takes 18 years for the son to be half of his father's age

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