At an election, a voter may vote for any number of candidates not grater than the number to be elected. There are ten candidates and 4 are to be elected. If a voter votes for at least one candidate, t

Question

At an election, a voter may vote for any number of candidates not grater than the number to be elected. There are ten candidates and 4 are to be elected. If a voter votes for at least one candidate, then the number of ways in which he can vote, is

Options:

Answer:

2

Solution:

$^{20} C_{1} +^{10} C_{2} +^{10} C_{3} +^{10} C_{4}$

TestHub · Accepted Answer

20 C 1 ​ + 10 C 2 ​ + 10 C 3 ​ + 10 C 4 ​

Mathematics - Permutation & Combination Question with Solution | TestHub

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