# How Many Person in the Row? If

In a row A is 7^{th} from the left and B is 9^{th} from the right. If both interchange their places, then A becomes 11^{th} from the left. The number of persons in the row is

- 18
- 20
- 21
- 19

**Answer: (4) 19
Explanation:-**

In a row A is 7

^{th}from the left and B is 9

^{th}from the right. If both interchange their place.

Then, A become 11

^{th}from the left.

————————à7 3 9 ß————————

A B

Number of persons in a row.

7 + 3 + 9 = 19

Hence, the number of person is 19 in a row.