Ratios and proportions

Question 1

Are the ratios 8:4 and 16:9 equivalent?

• A. Yes
• B. No

Question 2

The ratio of adults to children at a show is 5:3. There are 18 more adults than children. How many people are there in total?

Answer 

Question 3

In a coding club, the ratio of beginners to experienced members is 5:5. There are 40 experienced members. How many members are there altogether?

Answer 

Question 4

Simplify the ratio 5:5. Type it like 3:2.

Answer 

Question 5

A swimmer completes 7 lengths in 28 minutes. At the same pace, how many minutes for 14 lengths?

Answer 

Question 6

Solve: 11 / 15 = 143 / y

y = 

Question 7

A pancake recipe for 4 people uses 300 g of flour. How much flour is needed for 3 people, in grams?

Answer 

Question 8

Nia and Mei share $56 in the ratio 4:3. How much does Mei get? (Type the number only.)

Answer 

Question 9

The ratio of sunny days to rainy days is 3:4. There are 21 sunny days. How many rainy days are there?

Answer 

Question 10

Solve: x / 24 = 9 / 4

x = 

Question 11

Solve: 8 / 8 = 40 / n

n = 

Question 12

Which ratio is equivalent to 7:2?

• A. 4:14
• B. 14:4
• C. 9:4
• D. 14:5

Question 13

5:5 = 20:__

Answer 

Question 14

Paint is mixed blue to yellow in the ratio 3:5. There is 14 litres more yellow than blue. How much blue is there, in litres?

Answer 

Question 15

A juice recipe uses 4 cups of mango to 5 cups of water. Hiro uses 7 cups of mango and 8 cups of water. Will it taste the same?

• A. Yes, same ratio
• B. No, different ratio

Question 16

On a school trip, 1 euro buys 1.1 Swiss francs. How many francs do you get for 220 euros?

Answer