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  1. The probability that a number selected at random from the first 50 natural numbers is a composite number is -.
    2. A.
    21/25
    B.
    17/25
    C.
    4/25
    D.
    8/25
    E.
    9/25

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    Answer : Option B

    Explanation :

    The number of exhaustive events = ⁵⁰C₁ = 50.

    We have 15 primes from 1 to 50.

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