Question

plz answer fast
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Answer 1

Answer:

b) 600

Step-by-step explanation:

n(U) = 1000

n(A)= 400  n(A')= 1000-400= 600

n(B)= 300 n(B')= 1000-300= 700

n(A'∩B') = 600(since we take minimum of the two intersecting)

ANS: b) 600