Choose the correct alternative from the following : - Assertion (A) : Copper is used to make electric wires. Reason (R) : Copper has very low electrical resistance.
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 S first, which company must she visit second ?