JEE Main 2006 Mathematics question
At an election, a voter may vote for any number of candidates, not greater than the number to be elected. There are 10 candidates and 4 are of be elected. If a voter votes for at least one candidate, then the number of ways in which he can vote is
Answer: (3)
Solution
He may vote for 1, 2, 3 or 4 of the 10 candidates: $ +
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