###
**The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother ?**

A. 40 years
B. 42 years
C. 48 years
D. 50 years
**Answer: Option B**

## Show Answer

Solution(By Apex Team)

$\begin{array}{l}\text{Age of the mother}\\
\text{= (12 × 7) – (7 × 6) years}\\
\text{= 42 years}\end{array}$

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