2. Questions Bank
  3. 7th Class
  4. Mental Ability
  5. Which one is Different

7th Class Mental Ability Which one is Different Question Bank Which one is different ?

  • question_answer
    Find the odd one out.

    A)  31                                         

    B)  41

    C)  51                                           

    D)  61

    Correct Answer: C

    Solution :

     All others are prime numbers.


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