Q295
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
AnswerB.
10 years
C.
11 years
D.
14 years
Answer: Option A
Solution
Answer: Option A
Solution:
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
∴ Average = = 13 years