Grade 7 Ratio Quiz

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

• 15

• 9

• 18

• 12

Solving ratio problems: If the ratio of red balls to blue balls in a bag is 2:5 and there are 35 blue balls, how many red balls are there?

• 25

• 20

• 15

• 10

Solving ratio problems: If the ratio of apples to oranges in a basket is 4:7 and there are 28 oranges, how many apples are there?

• 10

• 20

• 25

• 16

Solving ratio problems: If the ratio of pencils to pens in a box is 3:4 and there are 21 pens, how many pencils are there?

• 12

• 25

• 15

• 18

Solving ratio word problems: A recipe calls for 2 cups of flour and 3 cups of sugar. If you want to make half the recipe, how much flour do you need?

• 2 cups

• 4 cups

• 1 cup

• 3 cups

Solving ratio word problems: A car travels 180 miles in 3 hours. How far will it travel in 5 hours at the same speed?

• 250 miles

• 300 miles

• 150 miles

• 200 miles

Solving ratio word problems: A map has a scale of 1 inch represents 5 miles. If two cities are 3 inches apart on the map, how far are they from each other in real life?

• 3 miles

• 20 miles

• 15 miles

• 10 miles

Solving ratio word problems: A mixture of paint is made by mixing 3 parts of blue paint with 5 parts of yellow paint. How many gallons of yellow paint are needed to make 15 gallons of the mixture?

• 2.5 gallons

• 9.375 gallons

• 5 gallons

• 12 gallons

Solving ratio word problems: A recipe calls for 4 cups of flour and 6 cups of sugar. If you want to make one-third of the recipe, how much sugar do you need?

• 2 cups

• 3 cups

• 1 cup

• 4 cups

Solving ratio problems: If the ratio of apples to bananas in a basket is 3:7 and there are 49 bananas, how many apples are there?

• 10

• 15

• 20

• 25