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Arithmetic Aptitude :: Problems on Ages

9. Present age of B is twice that of A. 4 years hence B's age will be 4 less than twice the age of A. Find the difference in their ages?

Answer: Option A

Explanation :

Let A's present age = x,
So B's present age = 2x

After 4 years,
=> (2x+4) = 2(x+4) - 4

by solving the above equation.

=> 0 = 0
Cannot be determined.

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