Question

a boy in 9th queue is front of a book office from either end the total number of people in the queue is

Answer 1

the boy is standing before and after 8 people


8 people in front and 8 people behind him + himself
so the total no. of people in the queue are 17

Answer 2

There are 8 people in front of him.

There are 8 people behind him.

Total number of people in the queue is 8 + 1 + 8 = 17

Answer: There are 17 people in the queue.