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    Question

    In the word ‘BLASTER’, first all the letters are

    written in an alphabetical order form, then remove all the vowels from the arrangement then how many such pair/pairs of letters are there, each of which have as many letters between them in the word (forward direction) as they have between them in the English alphabetical series?
    A One Correct Answer Incorrect Answer
    B Two Correct Answer Incorrect Answer
    C Four Correct Answer Incorrect Answer
    D Three Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    there are three pairs. i.e. RS, ST and RT. 

    The word -

    B L A S T E R

        A B E L R S T

        B L R S T

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