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7th Class Mental Ability Letters Question Bank Using letters for numbers

  • question_answer
    Directions: With this type of questions you are given a number equation (number sentence) with a number missing. Both sides of the equation need to have the same value. You are required to find the missing number that will balance the equation.
    19 ? 6 + 2 = 28 + [?] - 15

    A)  4                                            

    B)  2  

    C)  9                            

    D)         12

    Correct Answer: B

    Solution :

     \[19-6+2=28+-15\]Both sides total 15


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