Test Ratio and Proportion Directly and Inversely

Increase 2 hours 30 minutes in the ratio 6 : 5.

• 200 minutes

• 180 minutes

• 150 minutes

• 250 minutes

A class has 75 students. If there are 50 boys. What is the ratio of girls to the class?

• 1 : 3

• 3 : 2

• 5 : 7

• 2 : 3

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4

• 2:5

• 2:11

• 11:2

Split £10 into the ratio 4:1

• £8 : £2

• £2 : £8

• £40 : £10

• £5 : £15

Split £40 into the ratio 3:7

• £12 : £28

• £30 : £70

• £30 : £10

• £28 : £12

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Jonas has 3 guitars. Geraldine has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?

• Jonas

• Geraldine

• Either could be first

• Guitar

If there are 5 Footballs and 7 Netballs, write the ratio of Netballs to Footballs.

• 5 is to 7

• 7 is to 5

• 5 is to 12

• 7 is to 12

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Write and solve a proportion to find the number c of cats.

• c=15

• c=18

• c=21

• c=16

If it takes Jenny 15 weeks to make 3 birdhouses, how long will it take her to make 11 birdhouses?

• 45 weeks

• 55 weeks

• 75 weeks 

• 165 weeks