Year 11 Mathematics - Ratios

Ratios always need to compare two measures in the same units.

• True

• False

Which of the following is not an equivalent ratio of the others?

• 4:7

• 40:70

• 16:28

• 10:13

Write the following in its simplest ratio: 24:36

• 18:24

• 4:6

• 2:3

• 1:2

How many parts make up the whole of the ratio 4:6?

• 4

• 5

• 6

• 10

Divide 50 into the ratio 3:7

• 15:35

• 30:70

• 50:75

• 6:14

Mr. Dunk is painting a landscape of a sunset. He needs to make 200mL of orange paint in the ratio 3 parts yellow and 2 parts red. How many mL's of red paint will he need?

• 40mL

• 80mL

• 120mL

• 160mL

Mr. Glass is making artichoke and sweet potato pizzas in the ratio of 25g artichoke to 45g sweet potato. If he has 300g of artichokes, how many grams of sweet potato will he need?

• 450g

• 500g

• 540g

• 600g

Simplify the following ratio:

100:120

• 5:6

• 10:12

• 10:20

• 50:60

Solve for x:

3 : 8 = x : 24

• x = 9

• x = 16

• x = 18

• x = 19

Solve for x:

5 : x = 40 : 64

• x = 7

• x = 8

• x = 9

• x = 10