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7th Class Mental Ability Mathematical Reasoning Question Bank Mathematical Reasoning

  • question_answer
    Identify the rule and find the missing number in place of the question mark.
    9 ? 16
    64 10 36
    144 20 256

    A)  20                                         

    B)  40

    C)  5                              

    D)         0

    Correct Answer: C

    Solution :

     \[{{(144+256)}^{1/2}}=20,\] \[{{(36+64)}^{1/2}}=10,\]\[{{(9+16)}^{1/2}}=5.\]


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