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    Question

    Which of the following numbers will replace the question

    mark (?) in the given series? 42, 41, 45, 36, 52, 27, ?
    A 63 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 91 Correct Answer Incorrect Answer
    D 49 Correct Answer Incorrect Answer

    Solution

    42 – 1² = 41 41 + 2² = 45 45 - 3² = 36 36 + 4² = 52 52 - 5² = 27 27 + 6² = 63

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