In a group of people, 20 people like to watch news on televison, 28 like to read news from newspaper. if 4 people do not like either, find the number of people who like both?
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Total no. of people in group = 20+28+4= 52.
No. of people who like to watch news on television = 20.
No. of people who like to read news from newspaper = 28.
No. of people who don't like either = 4.
Therefore, no. of people who like both = 0.
(Here, it is stated that some people like to watch news on tv, some like to read news from the newspaper and some don't do any. There is clear distinction between the likes and dislikes. There's NOTHING in common. No interests intersect. Thus, in a group of 52 people, there's 0 people who like both reading news from newspaper and watching news on tv. )
Hope my answer was helpful.
No. of people who like to watch news on television = 20.
No. of people who like to read news from newspaper = 28.
No. of people who don't like either = 4.
Therefore, no. of people who like both = 0.
(Here, it is stated that some people like to watch news on tv, some like to read news from the newspaper and some don't do any. There is clear distinction between the likes and dislikes. There's NOTHING in common. No interests intersect. Thus, in a group of 52 people, there's 0 people who like both reading news from newspaper and watching news on tv. )
Hope my answer was helpful.
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