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    Question

    What should come in the place of the Question mark (?) in the following number series?

    1001, 728, 513, 342, 217,

    ?
    A 126 Correct Answer Incorrect Answer
    B 124 Correct Answer Incorrect Answer
    C 120 Correct Answer Incorrect Answer
    D 140 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    10³ + 1 = 1001 9³ - 1 = 728 8³ + 1 = 513 7³ - 1 = 342 6³ + 1 = 217 5³ - 1 = 124

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