A survey of 350 customers was taken a Regal Cinemas in Austin, Texas, regarding the type of movies customers liked. The following information was detemined.

196 liked drama
153 liked comedies
88 liked science fiction
59 liked drama and comedies
37 liked drama and science fiction
32 liked comedies and science fiction
21 liked all three types of movies

of the customers surveyed, how many liked
A. None of these types of movies?
B. Only drama?
C. Exactly one of these types of movies?

Question

A survey of 350 customers was taken a Regal Cinemas in Austin, Texas, regarding the type of movies customers liked.  The following information was detemined.

196 liked drama
153 liked comedies
88 liked science fiction
59 liked drama and comedies
37 liked drama and science fiction
32 liked comedies and science fiction
21 liked all three types of movies

of the customers surveyed, how many liked 
A.  None of these types of movies?
B.  Only drama?
C.  Exactly one of these types of movies?

anonymous · Answer

a)350-83-121-40-38-16-11-21=20
b)196-38-16-21=121
c)40+121+83=244