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

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

Quantrex Academy · Accepted Answer

Correct answer: C. 385

^0 C₁+ ¹⁰ C₂+ ¹⁰ C₃+ ¹⁰ C₄=10+45+120+210=385

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

Options

Correct answer

Step-by-step solution

More from Permutation and Combination