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4th Class Mathematics Factors and Multiples Question Bank Factors and Multiples

  • question_answer
    What is the sum of prime numbers between 20 and 30?

    A)  50                              

    B)  23                  

    C)  52                  

    D)    51

    Correct Answer: C

    Solution :

    The prime numbers between 20 and 30 are 23 and 29. \[\therefore \] Their sum is 23 + 29 = 52.


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