Problem-Solving and Data AnalysisEasyCompleting a simple two-way count
Problem-Solving and Data Analysis practice question
A class of 40 pupils was asked whether they like cats. 25 said yes. How many said no?
Answer: 15
40 − 25 = 15.
Common wrong answers
- If you answered 10
- 10 is a subtraction slip.
- If you answered 25
- 25 is the number who said yes.
- If you answered 65
- 65 adds the two numbers.
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