A) 18 yr
B) 12 yr
C) 9 yr
D) 8 yr
Correct Answer: B
Solution :
Let present age of \[X=x\,yr\] and present age of \[Y=y\,yr\] By given condition, \[x-y=3\] ?(i) \[\Rightarrow \] \[x=2(y-3)\] ?(ii) On solving Eqs. (i) and (ii), we get \[y=9\,yr\] and \[x=12\,yr\]You need to login to perform this action.
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