Question
The table shows the number of questions answered correctly by the pupils in a Mathematics exam. How many pupils answered 4 or more questions correctly?

Number of correct questions Number of pupils
1 4
2 5
3 10
4 1
5 -4
1 m

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The table shows the number of questions answered correctly by the pupils in a Mathematics exam. How many pupils answered 4 or more questions correctly?

Number of correct questions Number of pupils
1 4
2 5
3 10
4 1
5 -4