Question

If n(U) = 80, n(X) = 25, n(Y) = 35 and n(XUY)' = 20

What is n(X ∩ Y)?

Select one:
a. none of the options
b. 60
c. 0
d. 10

Answer 1

Step-by-step explanation:

so the ans is (c) 0

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