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GMAT Percentages Questions
Practise percentages (quantitative aptitude) for the GMAT Focus Edition: 10 multiple-choice questions, each with the correct answer and a worked explanation. Click an option to check it, or “New questions” for another set.
Percentages practice
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Q1.The price of an item changes from $325 to $422.5. What is the percentage change?
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Answer: C — 30% increase
Change = 97.5 on a base of 325: 97.5/325 × 100 = 30% increase. Always divide by the ORIGINAL value.
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Q2.The price of an item changes from $825 to $721.88. What is the percentage change?
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Answer: C — 12.5% decrease
Change = -103.13 on a base of 825: -103.13/825 × 100 = 12.5% decrease. Always divide by the ORIGINAL value.
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Q3.What is 5% of 660?
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Answer: C — 33
5% of 660 = 5/100 × 660 = 33.
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Q4.Two successive discounts of 10% and 12% are equivalent to a single discount of:
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Answer: B — 20.8%
Net discount = a + b − ab/100 = 10 + 12 − 10×12/100 = 20.8%.
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Q5.What is 20% of 180?
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Answer: C — 36
20% of 180 = 20/100 × 180 = 36.
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Q6.The price of an item changes from $750 to $450. What is the percentage change?
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Answer: D — 40% decrease
Change = -300 on a base of 750: -300/750 × 100 = 40% decrease. Always divide by the ORIGINAL value.
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Q7.The price of an item changes from $550 to $495. What is the percentage change?
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Answer: D — 10% decrease
Change = -55 on a base of 550: -55/550 × 100 = 10% decrease. Always divide by the ORIGINAL value.
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Q8.The price of an item changes from $725 to $543.75. What is the percentage change?
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Answer: D — 25% decrease
Change = -181.25 on a base of 725: -181.25/725 × 100 = 25% decrease. Always divide by the ORIGINAL value.
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Q9.The price of an item changes from $825 to $1,155. What is the percentage change?
Show answer & explanation
Answer: D — 40% increase
Change = 330 on a base of 825: 330/825 × 100 = 40% increase. Always divide by the ORIGINAL value.
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Q10.Two successive discounts of 10% and 15% are equivalent to a single discount of:
Show answer & explanation
Answer: D — 23.5%
Net discount = a + b − ab/100 = 10 + 15 − 10×15/100 = 23.5%.
How to approach percentages questions
Convert percentages to fractions you know by heart (12.5% = 1/8, 37.5% = 3/8, 16.67% = 1/6) and always divide a change by the ORIGINAL value. Two successive changes of a% and b% combine to a + b + ab/100.
About GMAT
GMAT Focus Edition — conducted by Graduate Management Admission Council (GMAC). Business-school admission test with Quantitative Reasoning, Verbal Reasoning and Data Insights.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
GMAT practice topics
| Topic | Section | Question source |
|---|---|---|
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Ratio, Ages & Mixtures | Quantitative aptitude | Calculated (new numbers every set) |
| Algebra | Mathematics | Calculated (new numbers every set) |
| Data Interpretation | Data interpretation | Calculated (new numbers every set) |
| Verbal Reasoning & Analogies | Reasoning | Calculated + question bank |