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    Question

    Four number-pairs are given, three of them are alike in

    a certain manner and one is different. Choose the different number-pair.
    A 924 : 36 Correct Answer Incorrect Answer
    B 772: 49 Correct Answer Incorrect Answer
    C 528: 40 Correct Answer Incorrect Answer
    D 325: 20 Correct Answer Incorrect Answer

    Solution

    924 : 36 → (9 × 2 × 4) = 72, (72 ÷ 2) = 36. 772: 49 → (7 × 7 × 2) = 98, (98 ÷ 2) = 49 528: 40 → (5 × 2 × 8) = 80, (80 ÷ 2) = 40 325: 20 → (3 × 2 × 5) = 30, (30 ÷ 2) = 15

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