## 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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Mathematics
1 week
2021-07-22T04:35:22+00:00
2021-07-22T04:35:22+00:00 2 Answers
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## Answers ( )

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

A is the correct answer