Worksheet Chapter 4: Ratios, Rates and Proportions

1. A sum of RM450 is divided among Ali, Ahmad, and Muthu in the ratio 2 : 3 : 4. How much money does Ahmad receive?

2. Fill in the blank: A __________ is a statement showing that two ratios or two rates are equal.

3. True or False: The ratio 4 : 5 is equal to 80%.

4. In a school athletic event, the ratio of medal winners among Red, Blue, and Yellow houses is 4 : 5 : 3. If Blue House won 25 medals, calculate (a) the total number of medals distributed and (b) how many more medals Blue House won compared to Yellow House.

5. Convert a rate of 18 m/s into km/h.

6. Express the ratio of 35 minutes to 2 hours in its simplest form.

7. True or False: A ratio compares two quantities of different kinds with different units.

8. Given a : b = 3 : 5 and b : c = 2 : 3. Find the combined ratio a : b : c.

9. A car uses 8 litres of petrol to travel a distance of 100 km. How many litres of petrol are needed for a trip of 250 km?

10. Which of the following ratios is in its simplest form?