If a person has 2 friends in 5th class, when he comes in 6th class he has 2 more friends but one?
... friend of 5th class has left him. This process continues till 10th class then what is the average number of friend he has? or:... friend of 5th
... friend of 5th class has left him. This process continues till 10th class then what is the average number of friend he has?
or:... friend of 5th class has left him. This process continues till 10th class then what is the average number of friend he has?
Tags: