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    Question

    Find the odd one out 

    In each of the following questions, four words have been given of which three are alike in some way and one is different. find the odd one out.
    A 127 Correct Answer Incorrect Answer
    B 255 Correct Answer Incorrect Answer
    C 511 Correct Answer Incorrect Answer
    D 729 Correct Answer Incorrect Answer

    Solution

    This question is related to number based odd one out. Mostly logic follow in this type of questions are Prime number, square/cube, Divisibility, odd even etc. But here logic is a. 127 – 27 -1 b. 255 – 28-1 c. 511 – 29-1 d. 729 – 36

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