Four persons P, Q, R and S are to be seated in a row. R should not be seated at the second position from the left end of the row. The number of distinct seating arrangements possible is:

Four persons P, Q, R and S are to be seated in a row. R should not be

1.	Four persons P, Q, R and S are to be seated in a row. R should not be seated at the second position from the left end of the row. The number of distinct seating arrangements possible is:
A.	9
B.	24
C.	6
D.	18
Answer» E.