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ISEE Percentages Questions
Practise percentages (quantitative aptitude) for the Independent School Entrance Exam: 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.What is 75% of 760?
Show answer & explanation
Answer: B — 570
75% of 760 = 75/100 × 760 = 570.
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Q2.The price of an item changes from $825 to $907.5. What is the percentage change?
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Answer: B — 10% increase
Change = 82.5 on a base of 825: 82.5/825 × 100 = 10% increase. Always divide by the ORIGINAL value.
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Q3.The price of an item changes from $325 to $455. What is the percentage change?
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Answer: B — 40% increase
Change = 130 on a base of 325: 130/325 × 100 = 40% increase. Always divide by the ORIGINAL value.
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Q4.What is 45% of 920?
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Answer: B — 414
45% of 920 = 45/100 × 920 = 414.
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Q5.Two successive discounts of 25% and 15% are equivalent to a single discount of:
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Answer: B — 36.25%
Net discount = a + b − ab/100 = 25 + 15 − 25×15/100 = 36.25%.
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Q6.Two successive discounts of 10% and 15% are equivalent to a single discount of:
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Answer: D — 23.5%
Net discount = a + b − ab/100 = 10 + 15 − 10×15/100 = 23.5%.
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Q7.What is 85% of 880?
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Answer: D — 748
85% of 880 = 85/100 × 880 = 748.
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Q8.The price of an item changes from $550 to $467.5. What is the percentage change?
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Answer: B — 15% decrease
Change = -82.5 on a base of 550: -82.5/550 × 100 = 15% decrease. Always divide by the ORIGINAL value.
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Q9.The price of an item changes from $350 to $322. What is the percentage change?
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Answer: B — 8% decrease
Change = -28 on a base of 350: -28/350 × 100 = 8% decrease. Always divide by the ORIGINAL value.
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Q10.Two successive discounts of 20% and 5% are equivalent to a single discount of:
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Answer: A — 24%
Net discount = a + b − ab/100 = 20 + 5 − 20×5/100 = 24%.
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 ISEE
Independent School Entrance Exam — conducted by Educational Records Bureau (ERB). Admission test for independent schools with verbal and quantitative reasoning sections.
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.
ISEE practice topics
| Topic | Section | Question source |
|---|---|---|
| Vocabulary & Idioms | English | Question bank |
| Algebra | Mathematics | Calculated (new numbers every set) |
| Geometry & Mensuration | Mathematics | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |