Question

The average age of a group of seven children is 10 years. From the group, two children, whose ages were 5 years more and 3 years more than the average age, left. Three new children, whose average age is 4 years more than the given average age, join the group. Find the new average age.

A 10.5 years
B 9 years
C 8.5 years
D 13 years
E 8 years
Practice Next

Relevant for Exams:

Hey! Ask a query