Question
In a survey it was found that people liked product A, liked product B and liked product C. If people liked products A and B, people liked products C and A, people liked products B and C and liked all the three products.
Find how many liked product C only
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Text solutionVerified
Let A, B, and C be the set of people who like product A, product B, and product C respectively.
Accordingly,
The Venn diagram for the given problem can be drawn as above.
It can be seen that number of people who like product C only is
Accordingly,
The Venn diagram for the given problem can be drawn as above.
It can be seen that number of people who like product C only is
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Question Text | In a survey it was found that people liked product A, liked product B and liked product C. If people liked products A and B, people liked products C and A, people liked products B and C and liked all the three products. Find how many liked product C only |
Answer Type | Text solution:1 |
Upvotes | 150 |