1. The maximum marks obtained by any student is
2. The minimum marks obtained by any student is
3.
4. The difference between the maximum and mini¬mum marks obtained is
5. How many students got 75 or more marks?
6. How many students got marks below 60?
7. How many students got marks between 60 and 75?
8. Observe the following table and answer the related questions: Which blood group is the most common?
9. Observe the following table and answer the related questions: Which blood group is the rarest?
10. Observe the following table and answer the related questions: What is the total number of students?