20june2019 paper1 Q32
Consider the following table that shows the distribution of students in two sections A and B in a school according to the marks obtained by them. There is a total of 45 students in each of sections A and B. Answer the questions based on the data contained in the table:
Marks obtained by students
| Marks in Class Interval |
Number of students in | |
| Section A | Section B | |
| [0—9] | 2 | 4 |
| [10—19] | 5 | 5 |
| [20—29] | 10 | 9 |
| [30—39] | 4 | 4 |
| [40—49] | 8 | 7 |
| [50—59] | 4 | 5 |
| [60—69] | 7 | 5 |
| [70—79] | 5 | 6 |
0. If the pass mark is 40, approximately what is the percentage of successful students in Section B?
- Option : B
- Explanation : Number of students in Section B have obtained more than 40 marks = 7 +5 + 5 + 6 = 23 Total number of students in Section B = 45 Percentage of students obtained more than 40 = 23/45 X 100 = 51.11% = 51%
