2. Questions Bank
  3. 9th Class
  4. Mental Ability
  5. Classification

9th Class Mental Ability Classification Question Bank Classification

  • question_answer
    Direction: In each of the following problems, four groups of numbers are given of which three are alike in some way, while the rest one is different. Choose out the different one.

    A) 31                             

    B) 53                             

    C) 21                             

    D) 17

    Correct Answer: C

    Solution :

    : All other are prime numbers.


You need to login to perform this action.
You will be redirected in 3 sec spinner