JEE MATHEMATICS MCQ: PERMUTATIONS

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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:

View answer and explanation

Correct option: C

637

Option C (637) is correct because the voter can vote for 1 to 5 candidates, and the sum of the combinations

{}^{10} C_1

{}^{10} C_5

equals 637.

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