2.What is 10:30 pm in the 24-hour clock? 3. How do you write 00:15 in the 12-hour clock?

4.How do you write 11:50 pm in the 24-hour clock?

11.How are the circumference and the diameter of any given circle related

12. The diameter of a circle is 22 cm long. What is its area?

13.What is the area of the largest circle that can be drawn on a square paper whose side is 20 cm? *

16. Two workers need to dig a rectangular pit that is 2 meters long, 1.5 meters wide, and 1 meter deep. How many cubic meters of soil must they remove? *

17.A cubical water tank has a 20 cm edge. How much water can it contain?

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