Question

In a basket, there are white and red balls. What is the smallest number of balls you need to take out of the basket so that there are definitely two balls of the same color among them?

Answer 1

3

Explanation:

Given

In a basket, there are white and red balls..

It can be explained

let in first two balls you take is of different color i.e 1 white and 1 red ball

Third ball , whether you take white or red ball you will have

two balls of same color.

if your third ball is red ball

then you will have 2 red balls and 1 white ball.

if your third ball is white,

then you will have 2 white balls and 1 red balls.

Thus, 3 is the smallest number of balls you should take out .

To put it simply, if you have n balls of different colors then you need to take minimum n+1 number of balls to have at least two balls of same colors.