Ratio Quiz

Simplify the ratio 4:6.

• 3:4

• 1:2

• 2:3

• 5:6

If the ratio of boys to girls in a class is 3:5 and there are 24 students in total, how many boys are there?

• 12

• 9

• 15

• 18

A recipe calls for a ratio of 2 cups of flour to 3 cups of sugar. If you want to use 6 cups of flour, how many cups of sugar should you use?

• 15

• 9

• 12

• 4

Solve the proportion: 5/8 = x/16.

• 2

• 10

• 3

• 4

In a bag of marbles, the ratio of red marbles to blue marbles is 2:5. If there are 28 blue marbles, how many red marbles are there?

• 14

• 70

• 35

• 56

A car travels 240 miles in 4 hours. What is the ratio of miles to hours?

• 40

• 60

• 120

• 80

If the ratio of the lengths of two sides of a rectangle is 3:4 and the perimeter is 28 cm, what is the length of the longer side?

• 12

• 8

• 10

• 6

Simplify the ratio 15:25.

• 10:15

• 3:5

• 5:3

• 1:2

A recipe calls for a ratio of 1 cup of milk to 2 cups of flour. If you want to use 4 cups of flour, how many cups of milk should you use?

• 4

• 2

• 3

• 1

Solve the proportion: 3/5 = x/25.

• 5

• 10

• 15

• 20