Answer:
Let the present age of Shobo be \[x\] year Then, Shobo's mother's present age \[=6x\] years Five years from now Shobo's age \[=(x+5)\]years According to the question, \[x+5=\frac{1}{3}\,(6x)\] \[\Rightarrow \] \[x+5=2x\] \[\Rightarrow \] \[5=2x-x\] |Transposing x to RHS \[\Rightarrow \] \[5=x\] \[\Rightarrow \] \[x=5\] \[\Rightarrow \] \[6x=6\times 5=30\] Hence, their present ages are 5 years and 30 year Check: \[30=5\times 6\] \[5+5=10\] \[10=\frac{1}{3}\,(30)\] Hence, the result is verified.
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