Average age of 10 men is increased by 2 ,years when one of them of 25 , years age, is replaced by ne

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The average age of $10$ men is increased by $2 \,years$ when one of them of $25 \, years$ age, is replaced by new man. What is the age of new man? (in $years$)

A

$50$

B

$45$

C

$35$

D

$25$

Solution

Age of a new man $=25+10 \times 2=45$ years.

Standard 13

Quantitative Aptitude

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