f you are 11th ( eleventh) in a queue starting from either side and how many persons are there in the queue?
f you are 11th ( eleventh) in a queue starting from either side and how many persons are there in the queue?
Explanation
If you are the 11th person in the queue then there will be 10 people ahead of you
and there will be 10 people behind you including you there will be 10+10+1= 21 people in the queue.
