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There are three varieties of juice offered by a restaurant. The restaurant owner conducts a survey on them and comes out with the following: 45 like juice 1, 60 like juice 2 and 40 like juice 3. 20 like all the three varieties. 30 like at least two of them. How many like exactly one of the juices?

There are three varieties of juice offered by a restaurant. The restaurant owner conducts a survey on them and comes out with the following: 45 like juice 1, 60 like juice 2 and 40 like juice 3. 20 like all the three varieties. 30 like at least two of them. How many like exactly one of the juices? Correct Answer 65

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45 likes juice 1, 60 likes juice 2 and 40 likes juice 3

20 Likes all the three varieties

30 likes at least two

⇒ Now, like juice 1 only = 45 - 30 = 15

Like juice 2 only = 60 - 30 = 30

Like juice 3 only = 40 - 20 = 20

⇒ Required answer = 15 + 30 + 20 = 65 

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