Question

6. In a community of 175 persons, 40 read the Times, 50 read the Samachar and 100 do not read
any. How many persons read both the papers?
A) 10
B) 15
C) 20
D) 25
​

Answer 1

Answer:

Since 100 do not read any

n(T∪S)=175−100=75

By set theory

n(T∩S)=n(T)+n(S)−n(T∪S)

=40+50−75=15

Step-by-step explanation:

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