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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. If a voter for atleast one candidates, then the number of ways in which he can vote is

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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