Four persons P, Q, R, and S are to be seated in a row. all facing the same direction, but not necessarily in the same order. P and R cannot sit adjacent to each other. S should be seated to the right of Q. The number of distinct seating arrangements possible is:

Four persons P, Q, R, and S are to be seated in a row. all facing the

1.	Four persons P, Q, R, and S are to be seated in a row. all facing the same direction, but not necessarily in the same order. P and R cannot sit adjacent to each other. S should be seated to the right of Q. The number of distinct seating arrangements possible is:
A.	6
B.	2
C.	8
D.	4
Answer» B. 2