Question

Some persons are sitting in a straight line. Some are facing South and some are facing North.C is sitting 2nd to the right of B and both are facing opposite direction. F is sitting 5th to the right of A and facing North. G is sitting at 9th position from the left end and facing north. D is sitting 3rd to the left of H and both are facing opposite direction. E is sitting to the immediate right of F and both are facing opposite direction. B is sitting 10th to the right of D and both are facing opposite direction. A is at the extreme left and H is at the right extreme and both are facing North. No seats are available between A and B. How many seats are there in the row?

• A. 15
• B. 9
• C. 12
• D. 16

Answer 1

Answer:

A. 15

Solution:

Some persons are sitting in a straight line. Some are facing South and some are facing North.

1) A is at the extreme left and H is at the right extreme and both are facing North.

2) D is sitting 3^rd to the left of H and both are facing opposite direction.

3) B is sitting 10th to the right of D and both are facing opposite direction. No seats are available between A and B.

4) C is sitting 2^nd to the right of B and both are facing opposite direction.

5) F is sitting 5^th to the right of A and facing North.

6) G is sitting at 9^th position from the left end and facing North.

7) E is sitting to the immediate right of F and both are facing opposite direction.

Hence, there are 15 seats in a row.