U= 170 T
R
10
8. An advertising agency found out that out of their 170
clients,
115 clients used Television (T),
110 clients used Radio (R),
130 clients used Magazines (M),
85 clients used Television and Magazines,
75 clients used Television and Radio,
95 clients used Radio and Magazines, and
70 clients used all three media.
25 5
70
15
25
20
M
Question: How many clients used Radio or Magazine but did not use Television?
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