A) 1 year
B) 2 years
C) 3 years
D) 4 years
Correct Answer: D
Solution :
Let after m years, X will be twice as old as Y. As per question? \[(X+m)=2\,\,(Y+m)\] \[36+m=2\,\,(16+m)\] \[36+m=32+2m\] \[m=4\,\,years\]You need to login to perform this action.
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