Percentage Problems With Answers
Practice percentage problems with answers, including easy, medium, word, and challenge questions.
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Easy Problems
| # | Problem |
|---|---|
| 1 | Find 10% of 70. |
| 2 | Find 50% of 84. |
| 3 | Find 25% of 120. |
| 4 | Find 20% of 95. |
| 5 | Find 5% of 400. |
Medium Problems
| # | Problem |
|---|---|
| 6 | 18 is what percent of 90? |
| 7 | 42 is what percent of 56? |
| 8 | 32 is 40% of what number? |
| 9 | 54 is 30% of what number? |
| 10 | Find 12.5% of 240. |
Word Problems
| # | Problem |
|---|---|
| 11 | A bike costs 300 and has a 15% discount. What is the discount? |
| 12 | A student scores 27 out of 30. What percent is that? |
| 13 | A price rises from 80 to 100. What is the percentage increase? |
| 14 | A price falls from 200 to 150. What is the percentage decrease? |
| 15 | A team wins 18 of 24 games. What percent did it win? |
Challenge Problems
| # | Problem |
|---|---|
| 16 | A number increases by 20% to become 96. What was the original number? |
| 17 | A sale price is 68 after a 15% discount. What was the original price? |
| 18 | A value decreases by 30% to become 210. What was the original value? |
| 19 | A class completes 35% of a 480-question review set. How many questions are complete? |
| 20 | A savings balance grows from 750 to 900. What is the percentage increase? |
Answer Key
| # | Answer |
|---|---|
| 1 | 7 |
| 2 | 42 |
| 3 | 30 |
| 4 | 19 |
| 5 | 20 |
| 6 | 20% |
| 7 | 75% |
| 8 | 80 |
| 9 | 180 |
| 10 | 30 |
| 11 | 45 |
| 12 | 90% |
| 13 | 25% |
| 14 | 25% |
| 15 | 75% |
| 16 | 80 |
| 17 | 80 |
| 18 | 300 |
| 19 | 168 |
| 20 | 20% |
Step-by-Step Solutions
Problem 16: If the original number is x, then x + 20% of x = 96. That is 1.2x = 96, so x = 80.
Problem 17: A 15% discount means the sale price is 85% of the original price. Use 68 / 0.85 = 80.
Problem 20: The increase is 150. Use (150 / 750) x 100 = 20%.