Read the situation below and select the best answer for each of the questions that follow. Dr. Mannan has to treat six patients named Muhit. Nannu, Partha, Qazi, Ratul and Shimul in a week from Saturday to Thursday. In a day he can treat only one patient. Dr. Mannan must schedule them following the conditions below - I. Muhit must be treated earlier in the week before Ratul. II. Partha can come to the Dr. Mannan on Monday only. III. Qazi must be treated immediately before or immediately after the day on which Nannu is treated. If Shimul is to be treated on Wednesday then which of the following is true?

Explanation: Days: Sat, Sun, Mon (P), Tue, Wed (S), Thu. Remaining days: Sat, Sun, Tue, Thu. Remaining patients: M, N, Q, R. M must be before R. Q must be immediately before/after N. Possible (Q, N) or (N, Q) slots: (Sat, Sun), (Sun, Sat), (Tue, Thu), (Thu, Tue) - (No, Tue and Thu are not adjacent). (Tue, N/A), (Thu, N/A). QN/NQ must be Sat/Sun or Sun/Sat. Case 1: Q=Sat, N=Sun. Schedule: Q, N, P, _, S, _. Remaining days: Tue, Thu. Remaining patients: M, R. M must be before R. M=Tue, R=Thu. Full: Q, N, P, M, S, R. In this case, Ratul (Thu) is later than Shimul (Wed). Case 2: N=Sat, Q=Sun. Schedule: N, Q, P, _, S, _. Remaining days: Tue, Thu. Remaining patients: M, R. M must be before R. M=Tue, R=Thu. Full: N, Q, P, M, S, R. In this case, Ratul (Thu) is later than Shimul (Wed). Option C: Ratul must be treated later in the week than Shimul. Shimul is Wed. Ratul is Thu in both acceptable cases. Therefore, C is true.