Home > The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group

The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group ?

A)  3
B)  4
C)  5
D)  6
Answer: 4

    Leave a Comment

    Your email address will not be published. Required fields are marked *