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प्रश्न
The table given below gives the marks of 160 students in the school.
| Marks | 20 – 30 | 30 – 40 | 40 – 50 | 50 – 60 | 60 – 70 | 70 – 80 | 80 – 90 | 90 – 100 |
| No. of students | 8 | 10 | 15 | 25 | 30 | 38 | 24 | 10 |
How many students are getting above 80 marks.
योग
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उत्तर
To find the number of students getting above 80 marks, we need to look at the class intervals that represent marks greater than 80.
These intervals are:
80 – 90 marks
90 – 100 marks
From the given table:
Number of students scoring 80 – 90 marks = 24
Number of students scoring 90 – 100 marks = 10
Total calculation
Total students = 24 + 10 = 34
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