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5th Class Mathematics Factors and Multiples Question Bank Factors and Multiples

  • question_answer
    How many twin primes are there between \[1\] and\[100\]?

    A)  \[6\]                            

    B)                     \[10\]                           

    C)                     \[7\]                            

    D)                     \[8\]

    Correct Answer: D

    Solution :

    Twin primes between \[1\] and \[100\] are \[(3,5),(5,7),(11,13),(17,19),(29,31),(41,43),\] \[(59,\,\,61)\] and \[(71,\,\,73)\] which are \[8\] in number.


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