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  3. 7th Class
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  5. Integers

7th Class Mathematics Integers Question Bank Number System and Operations

  • question_answer
    How many prime numbers are of the form 3m+2, where\[1\le m\le 20\]?

    A)  6           

    B)                     7           

    C)  8                    

    D)         9

    E)  None of these

    Correct Answer: D

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