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In a survey, 30 people like chocolate, 25 like vanilla, and 10 like both. How ma

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Question: In a survey, 30 people like chocolate, 25 like vanilla, and 10 like both. How many people like only chocolate?

Options:

  1. 20
  2. 15
  3. 10
  4. 5

Correct Answer: 20

Solution: 

To find those who like only chocolate, subtract those who like both: 30 - 10 = 20.

In a survey, 30 people like chocolate, 25 like vanilla, and 10 like both. How ma

Practice Questions

Q1
In a survey, 30 people like chocolate, 25 like vanilla, and 10 like both. How many people like only chocolate?
  1. 20
  2. 15
  3. 10
  4. 5

Questions & Step-by-Step Solutions

In a survey, 30 people like chocolate, 25 like vanilla, and 10 like both. How many people like only chocolate?
  • Set Theory – Understanding how to calculate the number of elements in overlapping sets.
  • Venn Diagrams – Visualizing relationships between different groups to solve problems involving intersections.
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