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

    Question

    If A and B are two sets such that the number of elements

    in A is 20, a number of elements in B is 18 and the number of elements in both A and B is 10, find n(A ├И B).
    A 8 Correct Answer Incorrect Answer
    B 38 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 28 Correct Answer Incorrect Answer

    Solution

    Given: - ┬а n(A) = 20 ┬а n(B) =18 n(AтИйB) = 10 Substitute these values into the formula- ┬а n(AUB) =20+18-10 = 28

    Practice Next
    More Arithmetic Progression Questions

    Relevant for Exams:

    ask-question