Instructions

In the following questions each question is followed by data in the form of two statement  labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions.

Question 16

For two sets A and B, is $$A \cap B = \phi$$?
I. n(A) = 7, n(B) = 9
II. $$n(A \cup B) = 14$$


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