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In a survey of 150 people, 90 like sports, 60 like music, and 30 like both. How many people like at least one of the activities?

Practice Questions

1 question
Q1
In a survey of 150 people, 90 like sports, 60 like music, and 30 like both. How many people like at least one of the activities?
  1. 120
  2. 150
  3. 90
  4. 60

Questions & Step-by-step Solutions

1 item
Q
Q: In a survey of 150 people, 90 like sports, 60 like music, and 30 like both. How many people like at least one of the activities?
Solution: Using inclusion-exclusion, the total is 90 + 60 - 30 = 120.
Steps: 0

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