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    Question

    What will come in place of the question mark (?) in the

    following series? 18, 22, 34, 70, 178, ?
    A 785 Correct Answer Incorrect Answer
    B 639 Correct Answer Incorrect Answer
    C 502 Correct Answer Incorrect Answer
    D 875 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    18 + 4 = 22 22+ 12 = 34 34 + 36 = 70 70 + 108 = 178 178 + 324 = 502 

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