Permutations and Combinations Answers
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A president and vice president will be selected from among 35 members of a board. Should permutations or combinations be used when determining the number of possible ways these offices can be filled?
A
Combinations should be used because a president is the same as a vice president.B
Combinations should be used because a president is different from a vice president.C
Permutations should be used because a president is the same as a vice president.D
Permutations should be used because a president is different from a vice president.22
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How many combinations are possible for 13 objects taken 6 at a time?
A
1,716B
205,920C
1,235,520D
4,826,80923
What is ?
A
15B
24C
360D
72024
What is ?
A
6B
35C
210D
5,04025
Of the 10 contestants in a televised quiz competition, 2 were eliminated during this week’s show, and 2 more will be eliminated during next week’s show. How many groups of 6 remaining contestants are possible a week from now? Assume that the show airs on the same day every week.
A
28B
210C
20,160D
151,20026
A choir has 3 spots open for altos, and 8 altos are interested in them. In how many ways can the open spots be filled?
A
24B
56C
112D
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