Discuss Forum
1.
The ratio of the number of red balls , to yellow balls , to green balls in an urn is 2 : 3 : 4 . What is the probability that a ball chosen at random from the urn is a red ball ?
- A. 2/7
- B. 2/7
- C. 2/7
- D. 2/7
Answer: Option C
Explanation:
total = 9 balls
red ball⇨ 2
So probability is = 2/9
Right Answer is ⇨ 2/9
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