Mastering Ratios for GCSE Maths

What is the ratio of 4 apples to 6 oranges in simplest form?

• 2:3

• 1:2

• 3:4

• 4:5

If a recipe requires a ratio of 2:3 for flour to sugar, how much sugar is needed for 500g of flour?

• 1000g of sugar

• 750g of sugar

• 250g of sugar

• 500g of sugar

A bag contains 10 red balls and 15 blue balls. What is the ratio of red to blue balls?

• 5:1

• 3:2

• 2:3

• 1:4

Simplify the ratio 12:16.

• 4:5

• 1:2

• 2:3

• 3:4

If a class has 20 boys and 15 girls, what is the ratio of boys to girls?

• 2:1

• 5:4

• 3:2

• 4:3

Divide £60 in the ratio 2:3.

• £15 and £45

• £20 and £40

• £24 and £36

• £30 and £30

A recipe calls for 3 parts of water to 2 parts of juice. If you have 25 ounces of the mixture, how much juice do you have?

• 10 ounces

• 15 ounces

• 5 ounces

• 20 ounces

If the ratio of cats to dogs is 5:2 and there are 30 cats, how many dogs are there?

• 15

• 12

• 20

• 10

A car travels 120 miles using 4 gallons of petrol. What is the ratio of miles to gallons?

• 30:1

• 20:1

• 40:1

• 15:1

In a school, the ratio of teachers to students is 1:20. If there are 5 teachers, how many students are there?

• 100

• 60

• 80

• 120