SSC CHSL 6 Dec 2015 Shift 1 Paper

Question : 115 of 200

Marks: +1, -0

The average age of mother and her six children is 12 years, which is reduced by 5 years if the age of the mother is excluded. The age of the mother ( in yrs) is:

Validate

Solution:

Average age of mother and her six children = 12 years
⇒ Total age of 7 persons = 12 × 7 = 84 years
Let mother's age = x years
According to ques,
⇒

(84−x)/6=7

⇒

84 − x = 7 × 6 = 42

⇒

x=84-42=42

years

Go to Question:

Prev Question

Next Question