Discussion

Answer: C

Now it is told that, there is no person to the left of A and P is sitting second to the right of A.

⇒ 1 position is occupied by the boy that is A and 3 position is occupied by P that is girl.

From information (2), D is sitting at 8 position and he is a boy.

From information (1), C is sitting at 6 position and 5 and 7 position can be occupied by either R or S.

Therefore, our arrangement will look like

Now one of the positions from 2 and 4 will be occupied by boy and second one will be occupied by the girl.

From Information (3), B is a boy and he is sitting between two girls ie. at 4 position.

From information (4), Q is a girl and should be sitting at 2 position.

Now our arrangement will look like

From this it is clear that the complete list of boys who are sitting in the row are A, B, C and D.