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7th Class Mathematics Integers Question Bank Number System and Operations

  • question_answer
    How many pairs of co-primes can be formed from the set \[\left\{ 2,\text{ }5,\text{ }6,\text{ }7,\text{ }8,\text{ }9,\text{ }12 \right\}\]

    A)  14                   

    B)         13        

    C)  12                   

    D)         18

    E)  None of these

    Correct Answer: B

    Solution :

    Not Available 


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