First slide

Combinations

Question

At an election there are five candidates and three members are to be elected, and a voter may vote for any number of candidates not greater than the number to be elected. The number of ways in which the person can vote is

Moderate

A

25
B

30
C

35
D

$2^{5} - 2^{3}$

Solution

Number of ways $=^{5} C_{1} +^{5} C_{2} +^{5} C_{3} = 25$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App