The average age of a group of 15 officers is 48 years. If 5 more officers join the group, the average age increases by 2 years. Find the average age of the new officers.
1
54 years
2
55 years
3
56 years
4
57 years
5
None of the above
The average age of a group of 15 officers is 48 years. If 5 more officers join the group, the average age increases by 2 years. Find the average age of the new officers.