📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug âš¡ Enroll Now

    Question

    Find the no. of words formed by using all the letter of

    the word DISCOUNT, so that the vowels are never together?
    A 42000 Correct Answer Incorrect Answer
    B 36000 Correct Answer Incorrect Answer
    C 24000 Correct Answer Incorrect Answer
    D 32000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total number of words formed by using all the letters of the given word = 8! = 8 ×  7 × 6 × 5 ×  4 ×  3 ×  2 ×  1 = 40320 Number of words formed when vowels are together = DISCOUNT = 3! ×  6! = 6 x 720 = 4320 Number of words formed when vowels are never together = 40320 – 4320 = 36000

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call