Question

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

    in the following series. 135, 140, 147, 158, 171, 188, 207, ?
    A 210 Correct Answer Incorrect Answer
    B 212 Correct Answer Incorrect Answer
    C 230 Correct Answer Incorrect Answer
    D 241 Correct Answer Incorrect Answer

    Solution

    135 + 5 = 140 140 + 7 = 147 147 + 11 = 158 158 + 13 = 171 171 + 17 = 188 188 + 19 = 207 207 + 23 = 230

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