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    Question

    Four number-pairs have been given, out of which three

    are alike in some manner and one is different. Select the number-pair that is different.
    A (12, 132) Correct Answer Incorrect Answer
    B (20, 380) Correct Answer Incorrect Answer
    C (15, 210) Correct Answer Incorrect Answer
    D (14, 190) Correct Answer Incorrect Answer

    Solution

    The logic followed here is as follows: (First number) x (First number - 1) = Second number Option [a]: (12, 132): β†’ 12 x 11 = 132 Option [b]: (20, 380): β†’ 20 x 19 = 380 Option [c]: (15, 210): β†’ 15 x 14 = 210 Option [d]: (14, 190): β†’ 14 x 13 = 182 β‰  190 In all the above number pairs, except for option 'd', the second number is the product of the first number and one less than the first number.

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