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    Question

    In the word OBSERVATION, the letter immediately before

    each vowel is replaced with the next alphabet (as per the English alphabetical order) and all others remain unchanged. Which of the following letters will appear twice in the word this formed?
    A Only O Correct Answer Incorrect Answer
    B Only B Correct Answer Incorrect Answer
    C Only U Correct Answer Incorrect Answer
    D Only S Correct Answer Incorrect Answer
    E Only T Correct Answer Incorrect Answer

    Solution

    O             B             S              E              R             V             A             T              I               O             N O             B             T              E              R             W            A             U             J              O             N

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