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. He is setting up his schedule for the day according to the following conditions:
1) He must visit M before N and before R.
2) He must visit N before Q.
3) The third company he visits must be P.
Q1. Which of the following could be the order if the sales representative visits the six companies?
(a) M, R, N, Q, P, S
(b) M, S, P, N, R, Q
(c) P, R, M, N, Q, S
(d) P, S, M, R, Q, N
Q2. Which of the following must be true of the sales representative’s schedule for the day?
(a) He visits M before Q
(b) He visits N before R
(c) He visits P before M
(d) He visits P before S
Q3. If the sales representative visits S first, which company must he visit second?
(a) M
(b) N
(c) P
(d) Q
Q4. Which of the following could be true of the sales representative’s schedule?
(a) he visits M third
(b) he visits N sixth
(c) he visits R sixth
(d) he visits Q second
Q5. The sales representative could visit any of the following companies immediately after P except:
(a) M
(b) N
(c) Q
(d) R