ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!


    Question

    How many four-letter words without repetition having

    exactly two vowels can be formed by using the letters of the word "PAINTER"?
    A 408 Correct Answer Incorrect Answer
    B 420 Correct Answer Incorrect Answer
    C 432 Correct Answer Incorrect Answer
    D 444 Correct Answer Incorrect Answer
    E 456 Correct Answer Incorrect Answer

    Solution

    "PAINTER" has 4 consonants and 3 vowels.
    Number of ways to select the letters = 3C2 ├Ч 4C2 = 3 ├Ч 6 = 18
    Arrangements of 4 letters = 4! = 24
    Total number of words formed = 18 ├Ч 24 = 432

    Practice Next
    More Permutation and combination Questions

    Relevant for Exams:

    ask-question