Question: 
The ratio of the number of red balls, to yellow balls, to green balls in an urn 2 : 3 : 4, What is the probability that a ball chosen at random from the urn is a red ball?
2/9
2/7
5/10
5/9
None of them
Answer: 
2/9
Last Updated: 
28/02/2021 - 01:25