e) A and B are the subsets of a universal set U. If n (A) = 63, n (B) =72. n (AUB) ,= 115, n (AUB) = 20, find (i) n (U) (ii)

Question

e) A and B are the subsets of a universal set U. If n (A) = 63, n (B) =72.
n (AUB) ,= 115, n (AUB) = 20, find
(i) n (U)
(ii) n(u)
(iii) n (Anb)
(iv) n (only A)
Also illustrate the above information in Venn-diagram.

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Jezebel 1 week 2021-07-22T04:35:22+00:00 2 Answers 1 views 0

Answers ( )

    0
    2021-07-22T04:36:34+00:00

    sorry, there are two (AUB), I think one should be n(AnB) and i.e n(AnB)=20.Right?

    0
    2021-07-22T04:37:11+00:00

    A is the correct answer

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