1.

If  n (A) = 15, n (A ∪  B ) =  29,  n (A ⋂ B) = 7 then  n (B)  =  ?​

Answer»

Step-by-step EXPLANATION:

ans N(AuB)= n(A)+n(B)-n(ANB)

29=15+n(B)-7

29=8+n(B)

29-8=n(B)

. n(B)= 21

Follow Me



Discussion

No Comment Found

Related InterviewSolutions