A) \[10:3\]
B) \[5:2\]
C) \[4:1\]
D) \[3:1\]
Correct Answer: A
Solution :
\[M+D=42\]years \[M:D=5:1\Rightarrow \,6r=42\Rightarrow r=7\] \[\therefore \] Mother's age \[=5r=5\times 7=35\] Daughter's age \[=1r=1\times 7=7\] Ratio of ages after five years \[M:D=40:12=\underline{\mathbf{10:3}}\]You need to login to perform this action.
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