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    Question

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

    925     926    ?   1246   285 

    1966
    A 1167 Correct Answer Incorrect Answer
    B 805 Correct Answer Incorrect Answer
    C 825 Correct Answer Incorrect Answer
    D 645 Correct Answer Incorrect Answer
    E 1900 Correct Answer Incorrect Answer

    Solution

    925  + 1², = 926 926  - 11², = 805 805 + 21²,  = 1246 1246  - 31²,  = 285 285 + 41² = 1966

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