Multiple Choice Questions on Let a die be loaded in such a way that even faces are twice likely to occur as the odd faces What is........... for NDA Exam Preparation

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Multiple Choice Questions

Let a die be loaded in such a way that even faces are twice likely to occur as the odd faces What is...........

Mathematics (NDA) Probability
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    Let a die be loaded in such a way that even faces are twice likely to occur as the odd faces. What is the probability that a prime number will show up when the die is tossed?

    1 / 3

    Incorrect Answer

    2 / 3

    Incorrect Answer

    4 / 9

    Correct Answer

    5 / 9

    Incorrect Answer
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    Explanation:

    Prime numbers are 2,3 and 5.

    P(prime no.) = P(even no.) P(prime no.) + P(odd no.) P(prime no.) = 2 / 3 × 1 / 3 + 1 / 3 × 2 / 3 = 4 / 9

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