Question
Question: In a club election the number contestants is one more than the number of maximum candidates for whic...
In a club election the number contestants is one more than the number of maximum candidates for which a voter can vote be 62, then the number of candidates is-
A
7
B
5
C
6
D
None of these
Answer
6
Explanation
Solution
62 = nC1 + nC2 + nC3 +…. + nCn–1 = 2n – 0C0– nCn = 2n – 2
\ 2n = 64 = 26.