A sales representative plans to visit each of six companies M, N, P, Q, R and S exactly once during the course of one day. She is setting up her schedule for the day according to the following conditions :**(i).** She must visit M before N and R.**(ii).** She must visit N before Q.**(iii).** The third company she visits must be P.

**Which of the following could be the order in which the sales representative visits the six companies ?**

** Option:**

**A.**M, S, P, N, R, Q

**B.**Q, N, P, R, S, M

**C.**M, R, N, Q, P, S

**D.**P, S, M, R, Q, N

**E.**P, R, M, N, Q, S

**Answer: A . M, S, P, N, R, Q**

** Justification:**

According to information, P must be in third place and the order M, N and Q must not be violated. This is followed only in the arrangement M S P N R Q.