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: 21: 63 :: 36:?
    A 318 Correct Answer Incorrect Answer
    B 324 Correct Answer Incorrect Answer
    C 328 Correct Answer Incorrect Answer
    D 312 Correct Answer Incorrect Answer

    Solution

    21 × (2 + 1) = 21 × 3 = 63 36 × (3 + 6) = 36 × 9 = 324

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