1. In which class interval, are the minimum number of students ?

2. The sum of the number of students in the class intervals 10-15 and 20-25 is

3. What is the difference of expenditures (in thousands of rupees) on salary of employees and rent ?

4. A graph that displays data that changes continuously over periods of time is called:

5. 103°F temperature is at time

6. What is the rise in temperature from 11 hours to 13 hours ?

7. On which two heads, is the expenditure same ?

8. Observe the following temperature time graph and answer the related questions:

At what time is the temperature maximum ?

9. The difference in the number of students of class intervals 0-5 and 5-10 is

10. At what time(s) is the temperature minimum ?

11. What is the difference of temperatures at 7 hours and 21 hours ?

12. What are the coordinates of a point whose x-coordinate is 1 and y-coordinate isO?

13. What is the sum of the expenditures (in thousands of rupees) on travelling allowance and rent ?

14. What are the coordinates of a point whose x-coordinate is 3 and y-coordinate is 4?

15. Observe the following histogram and answer the related questions:

In which class interval, are the maximum number of students ?

16. What is the fall in temperature from 13 hours to 21 hours ?

17. On which head/heads, is the expenditure minimum ?

18. In which class intervals, is the number of students 200 ?

19. Observe the following bar graph and answer the related questions:On which head, is the expenditure maximum ?

20. The coordinates of the origin are