20june2019 paper1 Q35
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. How many students in Section A and Section B have obtained 50 or more than 50 marks?
- Option : C
- Explanation : Number of students in Section A have
obtained more than 50 marks = 4 + 7 + 5 = 16.
Number of students in Section B have obtained more than 50 marks = 5 + 5 + 6 = 16.
Total number of students have obtained more than 50 marks in both Sections
= 16+ 16 = 32.
