Multiple Choice Questions on A bag contains 11 red and 5 green balls Find the probability that 4 balls are red and 3 balls a........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A bag contains 11 red and 5 green balls Find the probability that 4 balls are red and 3 balls a...........

Quantitative Aptitude ( CCS) Probability
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    A bag contains 11 red and 5 green balls. Find the probability that 4 balls  are red and 3 balls are green when 7 balls  are drawn at random?

    16/52

    Incorrect Answer

    15/52

    Correct Answer

    11/52

    Incorrect Answer

    10/52

    Incorrect Answer
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    Explanation:

    Explanation :
    n(S) = 16C7 = 11440
    n(E) = 11C4 × 5C3 = 330×10 = 3300
    P = n(E)/ n(S) = 3300/11440 = 15/52

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