Question

If A & B are two sets such that n (A) = 50, n (B) = 70, n (A ∩ B)= 30, n(U) = 100 then n (A’∩B’)

is

(a) 10 (b) 20 (c) 80 (d) 90​

Answer 1

Answer:

A

Step-by-step explanation:

Hope this is correct

Answer 2

Answer:

(a) 10

Step-by-step explanation:

For this I have given the explanation in the photo