10th Class Mental Ability Classification Question Bank Classification (Odd-One-Out)

  • question_answer Directions. Choose the odd one out from given four choices.

    A)  6 : 16                    

    B)  7 : 19

    C)  10 : 27 

    D)         11 : 31  

    Correct Answer: D

    Solution :

     Other pairs are coprimes.


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