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    Question

    Which of the following numbers will replace the question

    mark [?] in the given series? 15, 19, [?], 53, 102, 223
    A 33 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 41 Correct Answer Incorrect Answer
    D 37 Correct Answer Incorrect Answer

    Solution

    The logic followed here is as follow: 15 + 2² = 19 19 + 3² = 28 28 + 5² = 53 53 + 7² = 102 102 + 11² = 223

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