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At an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 10 candidates and 5 members to be selected. The number of ways of in which a voter can vote is:
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a
630
b
635
c
637
d
639
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Correct option is C
The voter has to vote for at least one and at most 5 candidates. The number of ways is: 10C1+10C2+10C3+10C4+10C5=637Similar Questions
is equal to
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