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    Question

    Select the option that is related to the third number

    in the same way as the second number is related to first number and the sixth number is related to the fifth number. 68 : 84:: 24 : ? :: 72 : 63
    A 15 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 17 Correct Answer Incorrect Answer

    Solution

    The logic followed here is as follows: The product of 1st and 2nd digits of the 1st number is added to the square of the 1st digit of the 1st number to obtain the 2nd number. 68 : 54 → (6 x 8) + 6² = 48 + 36 = 84. 72 : 63 → (7 x 2) + 7² = 14 + 49 = 63. 24 : ? → (2 x 4) + 2² = 8 + 4 = 12.

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