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    Question

    1                 5         

    13             25                          41               ? What should come in place of question mark (?) in the following number series?
    A 71 Correct Answer Incorrect Answer
    B 81 Correct Answer Incorrect Answer
    C 61 Correct Answer Incorrect Answer
    D 63 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    02 + 12 = 1 12 + 22 = 5 22 + 32 = 13 32 + 42 = 25 42 + 52 = 41 52 + 62 = 61

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