10th Class Mental Ability Numbers Question Bank Inserting Numbers

  • question_answer
    Find the missing number.

    A)  38                         

    B)         64

    C)  4                            

    D)         16

    Correct Answer: C

    Solution :

     Clearly the numbers along the sides of triangle are the squares of digits of numbers at the center. \[{{\left( \text{1} \right)}^{\text{2}}}=\text{1},{{\left( \text{4} \right)}^{\text{2}}}=\text{16},{{\left( \text{3} \right)}^{\text{2}}}=\text{9}\] \[{{\left( \text{2} \right)}^{\text{2}}}=\text{4},{{\left( \text{3} \right)}^{\text{2}}}=\text{9},{{\left( \text{6} \right)}^{\text{2}}}=\text{36}\] Hence, the correct answer is .


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