PLEASE SOLVE

PLEASE SOLVE

This was answered in your previous doubt. You posted the same question twice.

THAT WAS MATRIX ONE ,THIS I POSTED FOR THE FIRST  ONE

THAT WAS MATRIX ONE ,THIS I POSTED FOR THE FIRST  ONE

Is this a complete question? I think something is missing here What's the source of this question

please help in solving the set In a collegenine seminars are to be conducted. students are allowed to attend whichever seminar they want to. But timings of some seminars overlap with each other. It is known that1. The timing of seminar P overlaps with that of V, X and U.2. The timing seminar of Q overlaps with that of R, W, V and T3. The timing seminar R overlaps with that of Q, W, V and T4. The timing of seminar S overlaps with that of W and T5. The timing of seminar V overlaps with that of W.Q1. What is the minimum possible number of rooms required to conduct all the nine seminars?(A) 2(B) 3(C) 4(D) 5

please help in solving the set In a collegenine seminars are to be conducted. students are allowed to attend whichever seminar they want to. But timings of some seminars overlap with each other. It is known that1. The timing of seminar P overlaps with that of V, X and U.2. The timing seminar of Q overlaps with that of R, W, V and T3. The timing seminar R overlaps with that of Q, W, V and T4. The timing of seminar S overlaps with that of W and T5. The timing of seminar V overlaps with that of W.Q1. What is the minimum possible number of rooms required to conduct all the nine seminars?(A) 2(B) 3(C) 4(D) 5