Understanding Rates and Ratios Quiz

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs

• 12 lbs

• 84 lbs

• 252 lbs

A car travels 150 kilometres in 3 hours. What is the unit rate of the car's speed in kilometres per hour?

• 45 km/h

• 50 km/h

• 55 km/h

• 60 km/h

If the ratio of cats to dogs in a shelter is 3:4, and there are 12 cats, how many dogs are there?

• 12

• 14

• 16

• 18

A recipe requires 2 cups of flour for every 3 cups of sugar. If you have 9 cups of sugar, how many cups of flour do you need?

• 4

• 5

• 6

• 7

A cyclist travels 80 kilometres in 4 hours. What is the cyclist's average speed in kilometres per hour?

• 15 km/h

• 18 km/h

• 20 km/h

• 22 km/h

The ratio of boys to girls in a class is 5:6. If there are 30 girls, how many boys are there?

• 20

• 25

• 28

• 30

If 5 pencils cost $3.75, what is the cost of one pencil?

• $0.65

• $0.75

• $0.85

• $0.95

A map has a scale of 1:100,000. If the distance between two cities on the map is 5 cm, what is the actual distance in kilometres?

• 2 km

• 3 km

• 4 km

• 5 km

A car uses 8 litres of petrol to travel 100 kilometres. How many litres of petrol are needed to travel 250 kilometres?

• 18 litres

• 20 litres

• 22 litres

• 25 litres