Bunuel wrote:
If 7 people board an airport shuttle with only 3 available seats, how many different seating arrangements are possible? (Assume that 3 of the 7 will actually take the seats.)
A. 35
B. 180
C. 210
D. 840
E. 5040
total arragements possible ; 7*6*5 ; 210
IMO C
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