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At an election, a voter may vote for any...

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 to be elected. The number of ways in which a voter may vote for at least one candidate is- (A) 5040 (B) 6210 (C) 385 (D) 1110

A

5040

B

6210

C

385

D

1110

Text Solution

Verified by Experts

The correct Answer is:
C

`.^(10)C_(1)+.^(10)C_(2)+.^(1)C_(3)+.^(10)C_(4)=10+45+120+210=385`.
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ARIHANT MATHS-PERMUTATIONS AND COMBINATIONS -Exercise (Questions Asked In Previous 13 Years Exam)
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