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    Question

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

    31       33       69       212      

    ?       4286
    A 945 Correct Answer Incorrect Answer
    B 855 Correct Answer Incorrect Answer
    C 835 Correct Answer Incorrect Answer
    D 760 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    31 x 1 + 2 = 33 33 x 2 + 3 = 69 69 x 3 + 5 = 212 212 x 4 + 7 =  855 855 x 5 + 11 = 4286

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