engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Logical Reasoning Seating Arrangement Linear Arrangement
In a row of people standing in a waiting area, facing North, Hari stands seventh from the left end of the row and there are three people between him and the person standing at the exact centre of the row. How many people are standing in the row ?
1
18
2
20
3
21
4
15