Mathematics Quiz Ratios and Percentages

The ratio of boys to girls in Ms. Smith's class is 2:1. If there are 8 boys, how many girls are there?

• 5

• 4

• 2

• 10

One batch of cookies makes 18. How many batches will you need to make to make sure you have at least 100 cookies? Use the ratio table to help you answer the question.

• 5

• 4

• 7

• 6

What percentage is 36 of 60?

• 60%

• 50%

• 40%

• 36%

What is 35% of 70?

• 24.5

• 2,450

• 35

• 245

What is 40% of 250?

• 200

• 100

• 60

• 150

What is 25% of 80?

• 20

• 30

• 15

• 40

If 30% of a number is 45, what is the number?

• 150

• 75

• 200

• 120

If 15% of a number is 30, what is the number?

• 100

• 150

• 250

• 200

If 45% of a number is 90, what is the number?

• 150

• 200

• 250

• 300

• A
• B
• C
• D