### A man had 7 children. When their average age was 12 years, a child aged 6 years died. Then average age of remaining six children is :

A. 13 years B. 10 years C. 11 years D. 14 years Answer: Option A

### Solution(By Apex Team)

According to the question, Average age of 7 children = 12 years Sum of ages of 7 children = 84 years If a child aged 6 years died then Sum of aged of 6 children = 84 – 6 = 78 years $\begin{array}{l}\text{∴ Average}\\ =\Large\frac{78}{6}\\ =13\ \text{years}\end{array}$

A. 20
B. 21
C. 28
D. 32

A. 18
B. 20
C. 24
D. 30

A. 10 years
B. 10.5 years
C. 11 years
D. 12 years