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.

**If the sales representative visits Q immediately before R and immediately after S, she must visit Q :**

** Option:**

**A.**first

**B.**second

**C.**fourth

**D.**fifth

**E.**sixth

**Answer: D . fifth**

** Justification:**

If Q is visited just before R and immediately after S, the order followed will be M N S Q R. Since P must be in 3rd place, so we have M N P S Q R i.e., Q will be visited fifth.