20june2019 paper1 Q33
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 together have obtained marks less than 10?
- Option : D
- Explanation : Number of students in Section A, obtained
less than 10 marks = 2
Number of students in Section B, obtained less than 10 marks = 4
Total number of students in both Section A and B obtained less than 10 marks = 2 + 4 = 6.
