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    Question

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

    105       226       82       251     

     ?       280
    A 48 Correct Answer Incorrect Answer
    B 51 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 55 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    105 + 112 = 226 226 – 122 = 82 82 + 132 = 251 251 – 142 = 55 55 + 152 = 280

    Practice Next

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