Question

From a class of 24 boys, a boy aged 10 years, leaves the class and in his place a new boy is admitted. As a result, the average age of the class is increased by 2 months. What is the age of the new boy?

• A. 12 years
• B. 15 years
• C. 14 years
• D. 13 years

Answer 1

The correct option is C 14 years

Total age increased is $2\times 24=48months$
$=4years$
$\therefore$ age of the new boy is $10+4=14years$