2. Study the following table and answer the questions. Classification of 100 Students Based on the Marks Obtained by them in Physics and Chemistry in an Examination.
| Subject | Marks out of 50 | ||||
| 40 and above | 30 and above
| 20 and above | 10 and above | 0 and above | |
| Physics | 9 | 32 | 80 | 92 | 100 |
| Chemistry | 4 | 21 | 66 | 81 | 100 |
| Average (Aggregate) | 7 | 27
| 73 | 87 | 100 |
1. The number of students scoring less than 40% marks in aggregate is?
A. 27
B. 20
C. 13
D. 19
2. What is the different between the number of students passed with 30 as cut-off marks in Chemistry and those passed with 30 as cut-off marks in aggregate?
A. 4
B. 6
C. 3
D. 5
3. The percentage of number of students getting at least 60% marks in Chemistry over those getting at least 40% marks in aggregate, is approximately?
A. 29%
B. 31%
C. 27%
D. 21%
4. If it is known that at least 23 students were eligible for a Symposium on Chemistry, then the minimum qualifying marks in Chemistry for eligibility to Symposium would lie in the range?
A. 30-40
B. Below 20
C. 40-45
D. 20-30
5. If at least 60% marks in Physics are required for pursuing higher studies in Physics, how many students will be eligible to pursue higher studies in Physics?
A. 41
B. 34
C. 32
D. 27