# How Many are there in the queue?

If you are eleventh in a queue starting either end, how many are there in the queue?

- 11
- 20
- 21
- 22

**Answer: (3) 21**

**Explanation:-
**

If you are eleventh in a queue starting either end.

Then, the number of persons in the queue = 11 x 2 – 1

= 22 – 1

= 21

Then, the number of person in the queue is 21.

Hence, the answer is (3) 21.