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    Question

    How many such pairs of letters are there in the word

    ā€˜TEACHING’ which follow the same positional sequence as in the English alphabetical series (both forward and backward directions)?
    A Four Correct Answer Incorrect Answer
    B Five Correct Answer Incorrect Answer
    C Three Correct Answer Incorrect Answer
    D More than five Correct Answer Incorrect Answer

    Solution

    EH, EI, CG, HI, GI, NT, CE are six such pair of letters are there in the word ā€˜TEACHING’ which have as many letters between them as in the English alphabetical series.

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