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    Question

    Find the number of ways to arrange each letter of the

    word 'EDUCATIONAL' such that all the vowels always come together.
    A 1,44,000 Correct Answer Incorrect Answer
    B 2,16,000 Correct Answer Incorrect Answer
    C 2,59,200 Correct Answer Incorrect Answer
    D 3,60,000 Correct Answer Incorrect Answer

    Solution

    Number of letters = 11
    Take all the vowels (EUIOAA) as one entity.
    Number of letters now = 5 + 1 = 6!
    Number of ways to arrange all the letters = 6! = 720
    Number of ways to arrange vowels = 6! ÷ 2! = 720 ÷ 2 = 360
    Required number of ways = 720 × 360 = 2,59,200

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