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

9th Class Mental Ability Mathematical Operations Question Bank Mathematical Operations

  • question_answer
    If the digits 4 and 5, and the digits 7 and 2 are interchanged, then compute the value of the expression \[2\times 15\div 7-15+45-54\div 9\]

    A)  52                               

    B)  102                             

    C)  84                               

    D)  108

    Correct Answer: C

    Solution :

     : The given expression will become \[7\times 14\div 2-14+54-45\div 9.\]


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