Q350
The average age of four brothers is 12 years. If the age of their mother is also included, the average is increased by 5 years. The age of the mother (in years) is :
A.
37 years
AnswerB.
43 years
C.
48 years
D.
53 years
Answer: Option A
Solution
Answer: Option A
Solution:
Sum of age of four brothers = 12 × 4 = 48Sum of age of four brothers and their mother
= 17 × 5 = 85
∴ Mother's age = 85 - 48 = 37 years