MBA
Exam
Ten people A, B, C, D, E, F, G, H, I and J attend a conference. F wants to speak before A, B wants to speak after A, C wants to speak after B and D wants to speak after C. In how many distinct orders can the 10 people speak? 1) 10! 2) 10c5 3) 5! 10c5 4) NONE OF THESE
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