If A and B are two sets such that n (A cup B)=100,n(A)=70 and n (A cap B)=10, find:
(i) n(B)
(ii) n (A only)
(iii) n (B only)
(iv) (exactly one)
If A and B are two sets such that n (A cup B)=100,n(A)=70 and n (A cap B)=10, find:
(i) n(B)
(ii) n (A only)
(iii) n (B only)
(iv) (exactly one)
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