The ratio of the number of red balls, to yellow balls, to green balls in an urn is 2 : 3 : What is the probability that a ball chosen at random from the urn is a red ball?

The ratio of the number of red balls, to yellow balls, to green balls in an urn is 2 : 3 : What is the probability that a ball chosen at random from the urn is a red ball?

A 2/7

B 5/10

C 5/9

D 2/9

Solution

Correct Answer: Option D

Probability=2/(2+3+4)=2/9