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6th Class Mental Ability Letters Question Bank Using letters for numbers

  • question_answer
    Direction: In the following questions letters take the place of numbers. Complete each of the sums and identify the letter that gives the answer.
    If P = 2, Q = 4, R = 11, S = 21, and T = 25, then, what is \[\left( R\text{ }\times \text{ }R\text{ }-\text{ }S \right)\text{ }\div \text{ }T\text{ }=?\]

    A)  R                    

    B)  Q        

    C)  P       

    D)       S

    Correct Answer: B

    Solution :

     \[(R\times R-S)\div T=(11\times 11-21)+25\]                 \[=(121-21)\div 25\]                 \[=100\div 25=4\to \mathbf{Q}\]


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