Hrithik was asked to state his age in years. His reply was, "Take my age three years hence, multiply it by 3 and then subtract three times my age three years ago and you will know how old I am." What was the age of Hrithik?
Let the present age of Hrithik be x years.
Then, 3 (x + 3) - 3 (x - 3) = x
(3x + 9) - (3x - 9) = x
x = 18
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