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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

In a club election the number of contestants is one more than the number of maximum candidates for which a voter can vote. If the total number of ways in which a voter can vote be , then the number of contestants is

Answer: (D)

Solution

Let the voter vote for at most candidates, so there are contestants. The voter chooses between

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Question ID VK-020530