Question

There are 500 balls in a box
3/5 of them are red. Three-four of them are white. Find the numbers which are not red and not white.​

Answer 1

Step-by-step explanation:

The selection of 6 balls, consisting of at least two balls of each color from 5 red and 6 white balls can be made in the following ways:

Red balls (5)

White balls(6)

Number of ways

2

4

5

C

2

×

6

C

4

=150

3

3

5

C

3

×

6

C

3

=200

4

2

5

C

4

×

6

C

2

=75

Total

425

i Hope this will help you