Difficulty Level: Easy

Stats: 2,817 / 4,698 ( 59.96% ) got this right

## In a box, there are 21 red, 13 green and 8 blue balls. One ball is picked at random. What is the probability that it is neither red nor green?

- 1/6
- 4/21
- 1/4
- 1/2
- 17/21

Difficulty Level: Easy

Stats: 2,817 / 4,698 ( 59.96% ) got this right

- 1/6
- 4/21
- 1/4
- 1/2
- 17/21