Problem-Solving and Data AnalysisEasyPeople with at least one pet
Problem-Solving and Data Analysis practice question
A survey asked 20 people how many pets they have. Eight people have none, seven have one, and five have two. How many of the people surveyed have at least one pet?
Answer: 12
Seven with one pet plus five with two pets: 7 + 5 = 12.
Common wrong answers
- If you answered 5
- 5 counts only those with two pets.
- If you answered 8
- 8 is the number with no pets.
- If you answered 17
- 17 counts the pets themselves.
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