Arithmetic Ability
 Probability

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Q.

A bag contains 8 red and 4 green balls. Find the probability that two balls are red and one ball is green when three balls are drawn at random.

View Answer

Correct choice: B

Explanation:

n(S)= 12C4 =495 n(E)= 8C2×4C1=112 ∴P(E)=112/495
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