Question

1.
If n(A)=22 and n(B)=33 and n(A U B) =40
40 then n(A n B) is?​

Answer 1

Step-by-step explanation:

n(AUB) = n(A) +n(B)-n(A n B)

40 = 22 +33 - n(A n B)

n(anb)=55-40=15

I hope this would help you