Review Quiz

Which of these ratios is equivalent to 3:4?

• 12:9
• 9:20
• 9:12
• 803:804

Which of the following is not a proportion?

• $\frac{1}{2}\ =\ \frac{3}{6}$

• $\frac{4}{10}=\ \frac{16}{40}$

• $\frac{4}{5}=\frac{5}{6}$

• $\frac{9}{10}=\frac{18}{20}$

Determine the ratio of the following
'30 minutes to 2 hours'

• 30 : 2
• 1 : 4
• 1 : 6
• None of the above

In a class there are 30 boys and 12 girls. Find the ratio of number of boys to number of girls.

• 2 : 5
• 5 : 2
• 3 : 4
• None of the above

Write if the given proportion is 'True' or 'False':
8 : 9 = 24 : 18

• TRUE
• FALSE

Identify the number in the blank:
7 kg : _____kg = 14 m : 6 m 

• 3
• 6
• 4
• 2

The angles of a triangle are in the ratio 1 : 2 : 3.  The angles are 

• 45⁰ , 45⁰, 90⁰
• 30⁰, 60⁰, 90⁰
• 90⁰, 60⁰, 30⁰
• 30⁰, 90⁰, 60⁰

Write 'True' or 'False'.
6 : 8 and 9 : 12 are equivalent ratios of 3 : 4

• TRUE
• FALSE

75 is 15% of what number?

• 500
• 20
• 350
• 425

If 8 cats, 12 dogs and 3 rabbits are in a store of pet animals, then the ratio 8 : 23 is for ..................

• dogs to cats

• cats to dogs

• rabbits to cats

• cats to all animals