If n (A) = 115, n (B) = 326, n (A-B) = 47, then n (A U B) is equal to

If n (A) = 115, n (B) = 326, n (A-B) = 47, then n (A U B) is equal

1.	If n (A) = 115, n (B) = 326, n (A-B) = 47, then n (A U B) is equal to
A.	165
B.	370
C.	373
D.	422
Answer» D. 422

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