3. The population of a town is 10 000. Out of these, 5 400 persons read newspaper
A and 4 700 persons read newspaper B. If 1 500 persons read both newspapers,
then how many do not read either newspaper A or B?
4. An advertising agency finds that, of its 170 clients, 115 use Television, 110 use
Radio, and 130 use Magazines. Also, 85 use Television and Magazines, 75 use
Television and Radio, 95 use Radio and Magazines, and 70 use all the three. Find
(a) how many use only Radio, (b) how many use only Television, and (c) how many
use Television and Magazine but not Radio
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Answer:
3. 8 600
4. a. 10
b. 15
c. 15
Step-by-step explanation: