GRE
Exam
Numerical Ability
Permutation and Combination
A talent contest has 8 contestants. Judges must award prizes for first, second,
and third places. If there are no ties, (a) in how many different ways can the
3 prizes be awarded, and (b) how many different groups of 3 people can get
prizes?
Read Solution (Total 3)
-
- (a) 8P3 (b) 8C3
- 14 years agoHelpfull: Yes(4) No(0)
- (a) 8*7*6 = 336 ways
(b) 10C3 = 120 groups - 14 years agoHelpfull: Yes(1) No(0)
- 8c3*3p3=336
- 13 years agoHelpfull: Yes(0) No(1)
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