Q325
The average age of mother and her six children is 12 years, which is reduced by 5 years if the age of mother is excluded. The age of the mother (in years) is :
A.
40
B.
50
C.
42
AnswerD.
48
Answer: Option C
Solution
Answer: Option C
Solution:
Mother + 6 children= 12 × 7
= 84 years
6 children = 6 × 7 = 42 years
∴ Age of mother = 42 years