Mastering Ratios Quiz

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

• 16

• 15

• 14

• 13

Which of the following ratios is equivalent to 6:8?

• 3:4

• 9:12

• 12:15

• All of the above

Use ratio language to describe the relationship where for every 5 red marbles, there are 7 blue marbles.

• There are 5 red marbles for every 7 blue marbles.

• The ratio of red marbles to blue marbles is 5 to 7.

• Both A and B

• None of the above

Simplify the ratio 18:24.

• 3:4

• 6:8

• 9:12

• 2:3

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you want to make a half batch, how many cups of flour do you need?

• 1

• 1.5

• 2

• 3

If the ratio of boys to girls in a class is 5:6 and there are 30 students in total, how many boys are there?

• 12

• 15

• 18

• 20

Which of the following is NOT an equivalent ratio to 4:5?

• 8:10

• 12:15

• 16:20

• 10:12

A map scale shows that 1 inch represents 10 miles. How many miles does 3.5 inches represent?

• 35 miles

• 30 miles

• 25 miles

• 40 miles

In a bag of mixed candies, the ratio of red candies to green candies is 3:2. If there are 18 red candies, how many green candies are there?

• 12

• 14

• 16

• 20

Two quantities are in the ratio 7:3. If the sum of the quantities is 100, what is the larger quantity?

• 70

• 75

• 30

• 25