Question

    Select the option that is related to the third number in the same way as the first number is related to the second number and the fifth number is related to the sixth number.

    13: 156:: 32: ? :: 21 : 420

    A 998 Correct Answer Incorrect Answer
    B 902 Correct Answer Incorrect Answer
    C 912 Correct Answer Incorrect Answer
    D 992 Correct Answer Incorrect Answer

    Solution

    13: 552 → (13² - 13) = (169 - 13) = 156 21 : 420 → (21² - 21) = (441 - 21) = 420 Similarly, 32: ? → (32² - 32) = (1024 - 32) = 992

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