Equivalent Ratio Word Problems Quiz for Grade 11

A recipe for a cake requires 3 cups of flour for every 2 cups of sugar. If you want to make a cake using 9 cups of flour, how many cups of sugar do you need?

• 4 cups

• 6 cups

• 12 cups

• 18 cups

A car travels 120 miles in 3 hours. At this rate, how far will the car travel in 10 hours?

• 300 miles

• 400 miles

• 500 miles

• 600 miles

In a certain school, the ratio of boys to girls is 5:4. If there are 180 boys, how many girls are there?

• 144

• 160

• 200

• 225

A map scale shows that 2 inches equals 5 miles. How many miles does 8 inches on the map represent?

• 10 miles

• 20 miles

• 30 miles

• 40 miles

A painter mixes 1 liter of red paint with 3 liters of white paint to make a certain shade of pink. How many liters of white paint are needed to mix with 4 liters of red paint to maintain the same color ratio?

• 3 liters

• 9 liters

• 12 liters

• 16 liters

If 8 workers can complete a job in 10 days, how many days will it take 4 workers to complete the same job, assuming they work at the same rate?

• 5 days

• 10 days

• 20 days

• 40 days

A fruit salad recipe calls for 2 apples for every 3 oranges. If you use 12 apples, how many oranges do you need to keep the ratio the same?

• 8 oranges

• 12 oranges

• 18 oranges

• 24 oranges

A company has a policy of promoting 1 out of every 5 employees each year. If the company has 100 employees, how many employees can expect to be promoted?

• 10

• 20

• 25

• 50

In a chemistry experiment, a solution is made by mixing 3 parts of substance A with 7 parts of substance B. If you have 21 parts of substance B, how many parts of substance A are needed to maintain the ratio?

• 7

• 9

• 12

• 15

A group of students are planning a trip. The cost per student decreases as the number of students increases, according to the ratio 5:4 (cost per student to number of students). If the cost per student is $200 when there are 20 students, what would be the cost per student if 40 students go on the trip?

• $100

• $150

• $175

• $200