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Q.
A person was asked to state his age in years. His reply was , "Take my age 3 years hence, multiply it by 3 and subtract 3 times my age 3 years ago and you will know how old I am." What was the age of the person ?
A.
18
B.
20
C.
24
D.
30
View Answer
Correct choice: A
Explanation:
Let the present age of person be x years. Then, 3(x + 3) - 3(x - 3 ) = x <=> (3x + 9) - (3x - 9) = x <=> x = 18..
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