Question

    Select the number that can replace the question mark (?)

    in the following series. 52, 92, 142, 202, 272, ? 
    A 349 Correct Answer Incorrect Answer
    B 359 Correct Answer Incorrect Answer
    C 369 Correct Answer Incorrect Answer
    D 352 Correct Answer Incorrect Answer

    Solution

    52 + 40 = 92 92 + 50 = 142 142 + 60 = 202 202 + 70 = 272 272 + 80 = 352

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