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  1. Which one of the following is a prime number ?

    2. A.

    119
    B.

    187
    C.

    247
    D.

    551
    E.

    None of these

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    Answer : Option E

    Explanation :

    \(\sqrt{551}\)greater than 22

    All prime numbers less than 24 are : 2, 3, 5, 7, 11, 13, 17, 19, 23.

    119 is divisible by 7; 187 is divisible by 11; 247 is divisible by 13 and 551 is divisible by 19.

    So, none of the given numbers is prime.

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