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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 the first number. 18: 163 :: 15 :?
    A 70 Correct Answer Incorrect Answer
    B 82 Correct Answer Incorrect Answer
    C 90 Correct Answer Incorrect Answer
    D 100 Correct Answer Incorrect Answer

    Solution

    The logic followed here is as follows, First number × Sum of digits of first number = Second number.

    18 × (1 + 8) = 18 × 9 = 163

    Similarly for 15:? → 15 × (1 + 5) = 15 × 6 = 90.

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