SOLUTION: When asked how old he is, a boy replied: " I am twice older than I was 5 years ago." How old is he now?

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Question 175952: When asked how old he is, a boy replied: " I am twice older than I was 5 years ago." How old is he now?
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
Let the boy's age be x years now.
So 5 yrs ago his age was (x-5) yrs.
According to the problem,
present age = 2*(age 5 yrs ago)
x = 2*(x-5)
x = 2x - 10
x = 10

The boy is now 10 yrs. old.