Combinations
7 practice questionsDiscrete MathematicsStep-by-step solutions
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1
How many ways can 2 items be chosen from 5 (C(5,2))?
A.20
B.10
C.25
D.7
2
How many ways can a committee of 3 be chosen from 6 people?
A.18
B.20
C.120
D.216
3
In a combination, the order of selection:
A.Matters
B.Does not matter
C.Must be increasing
D.Is reversed
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