Ratio Quiz

What is the concept of a ratio?

• A relationship between two quantities

• A comparison between two quantities

• A measurement of two quantities

• A calculation involving two quantities

How can you describe a ratio relationship between two quantities?

• Using addition and subtraction

• Using multiplication and division

• Using exponentiation and logarithm

• Using differentiation and integration

What is an equivalent ratio?

• A ratio that is equal to 1

• A ratio that has the same numerator

• A ratio that has the same denominator

• A ratio that represents the same relationship

How can you solve for the unknown in an equivalent ratio?

• By cross-multiplying

• By adding the numerators

• By subtracting the denominators

• By multiplying the denominators

What is a ratio?

• A fraction

• A whole number

• A decimal

• An irrational number

Which of the following is NOT a way to describe a ratio?

• 1:2

• 2 to 3

• 2/3

• 2 + 3

If the ratio of boys to girls in a class is 3:5, and there are 24 girls, how many boys are there?

• 8

• 12

• 15

• 18

If the ratio of apples to oranges in a basket is 4:7, and there are 28 oranges, how many apples are there?

• 12

• 16

• 20

• 24

If the ratio of cats to dogs in a neighborhood is 2:5, and there are 35 cats, how many dogs are there?

• 10

• 15

• 20

• 25

If the ratio of pencils to pens in a store is 3:4, and there are 36 pens, how many pencils are there?

• 18

• 24

• 27

• 32