1. Which of the following is not the equivalent ratio of 16:24?

2.

3. What is the volume of a cube that has an edge of 3 cm?

4. 3 kg 50 g is the same as _____ kg.

5. Express 18/20 as a percentage.

6.

7. Larry has a roll of ribbon 9.2 m long. He cuts off 3 equal pieces. Each piece is 5 cm. What is the length of the remaining roll of ribbon?

8. 2 years ago, the ratio of the ages of John's age to Susan's age was 1:3. The sum of their ages 2 years ago was 36 years old. How old is Susan now?

9.

10. There were 40 children in a class. 25% of them were boys and the rest were girls. If 80% of the boys wore spectacles, how many boys did not wear spectacles?