Home » Aptitude » Average

In a class, there are 20 boys whose average age is decreased by 2 months, when one boy aged 18 years is replaced by a new boy. The age of the new boy is?

Correct Answer: 14 years 8 months

Explanation:

Total decrease
= ( 20 X 2 ) months
= 3 years 4 month
∴ Age of the new boy
= ( 18 years ) – ( 3 years 4 months)
= 14 years 8 month


← Previous Question Next Question→

More Questions from Average

Discussion & Comments

No comments yet. Be the first to comment!
Join Discussion