Let a and b be two finite sets such that n = 60, n = 110 and. Find.

1.	Let a and b be two finite sets such that n = 60, n = 110 and. Find.
A.	170
B.	210
C.	30
D.	20
E.	None of these
Answer» D. 20

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Let a and b be two finite sets such that n = 60, n = 110 and. Find.

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