Question

Q.22 If A and B are subsets of universal set X and n(x) = 50 ,n(A) = 35 ,n(B)= 22, n[(AUB)']=3 then n(AUB) is​

Answer 1

Answer:

K 6) If A and B are subsets of the universal set X and n(X) = 50, n(A)= 35, n(B) = 20, n(A'B') = 5, find i) n(AUB) ii) n(ANB) iii) n(A'NB) iv) n(AB)