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The following table shows the marks distribution among the students in a class.
How many students scored marks between 20 and 30 ? |
2 5 1 6 |
1 |
Number of students scored less than 20 marks = 5 Number of students scored less than 30 marks = 6 Number of students scored b/w 20 & 30 = 6 - 5 = 1
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