4th Class Mental Ability Classification Question Bank Classification

  • question_answer Find the odd one out (word/number pair/number/letter/ figure) from the given options 51,  144,      64,        121,      81

    A) 51                          

    B) 64  

    C) 121                        

    D) 81

    Correct Answer: A

    Solution :

    Except option [a] all others are perfect square.

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