Ratios Test Review

There are 8 apples in a box. Of the apples, 3 are red and the rest are green. What is the ratio of the number of red apples to the number of green apples?

• 8:3
• 3:8
• 8:5
• 3:5

Write this ratio in simplest form:
36:40

• 8:10
• 8:11
• 9:10
• 18:20

Find the unknown value:
4:5=16: _____

• 20
• 25
• 17
• 9

Find the missing numbers in this set:
5:____: 9 = ____: 12: 27

• 4 & 15
• 8 & 7
• 3 & 20
• 2 & 10

The ratio of the ages of 3 children is 1: 3: 5. The oldest child is 12 years older than the youngest child. How old is the middle child?

• The middle child is 10
• The middle child is 3
• The middle child is 9
• The middle child is 6

Change this fraction to a ratio:
2
−
5

• 5:2
• 10:5
• 2:5
• 5:10

The ratio of the number of apples to the number of oranges to the number of pears is 3: 5: 2. There are 15 oranges. How many fruits are there in all?

• There are 10 fruits in all
• There are 20 fruits in all
• There are 80 fruits in all
• There are 30 fruits in all

The amount of time Ron spends on his computer is twice the amount of time he spends reading. What is the ratio of time Ron spends reading to the time he spends on the computer to the total time he spends on both activities?

• 1: 5: 7
• 1: 2: 3
• 2: 10: 8
• 4: 6: 7

Nyan gives $24 to Mary and Linda in the same ratio 1: 3. How much money does Linda get?

• $6
• $12
• $18
• $24

A door is painted pink and blue. The area painted pink is 4 times that of the area painted blue. What is the ratio of the area that is painted pink to the area that is painted blue?

• 1:4
• 4:1
• 3:2
• 8:6