Question

    If the letters of the word HORIZON be arranged at random, what is the probability that vowels are not together?

    A 5/6 Correct Answer Incorrect Answer
    B 1/9 Correct Answer Incorrect Answer
    C 6/7 Correct Answer Incorrect Answer
    D 1/11 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let E= event of getting all vowels are not together=  (1- all vowels are together) ∴ P (E) = 1-1/7 = 6/7

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