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UPSC CAPF AC Percentages Questions
Practise percentages (quantitative aptitude) for the Central Armed Police Forces (Assistant Commandant) Examination: 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.Two successive discounts of 20% and 12% are equivalent to a single discount of:
Show answer & explanation
Answer: C — 29.6%
Net discount = a + b − ab/100 = 20 + 12 − 20×12/100 = 29.6%.
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Q2.Two successive discounts of 20% and 10% are equivalent to a single discount of:
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Answer: A — 28%
Net discount = a + b − ab/100 = 20 + 10 − 20×10/100 = 28%.
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Q3.Two successive discounts of 30% and 20% are equivalent to a single discount of:
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Answer: D — 44%
Net discount = a + b − ab/100 = 30 + 20 − 30×20/100 = 44%.
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Q4.What is 18% of 800?
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Answer: C — 144
18% of 800 = 18/100 × 800 = 144.
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Q5.Two successive discounts of 20% and 5% are equivalent to a single discount of:
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Answer: D — 24%
Net discount = a + b − ab/100 = 20 + 5 − 20×5/100 = 24%.
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Q6.What is 35% of 480?
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Answer: B — 168
35% of 480 = 35/100 × 480 = 168.
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Q7.Two successive discounts of 10% and 20% are equivalent to a single discount of:
Show answer & explanation
Answer: A — 28%
Net discount = a + b − ab/100 = 10 + 20 − 10×20/100 = 28%.
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Q8.Two successive discounts of 10% and 15% are equivalent to a single discount of:
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Answer: B — 23.5%
Net discount = a + b − ab/100 = 10 + 15 − 10×15/100 = 23.5%.
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Q9.What is 45% of 500?
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Answer: B — 225
45% of 500 = 45/100 × 500 = 225.
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Q10.What is 35% of 900?
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Answer: B — 315
35% of 900 = 35/100 × 900 = 315.
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 UPSC CAPF AC
Central Armed Police Forces (Assistant Commandant) Examination — conducted by Union Public Service Commission (UPSC). Recruits Assistant Commandants for BSF, CRPF, CISF, ITBP and SSB.
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.
UPSC CAPF AC practice topics
| Topic | Section | Question source |
|---|---|---|
| Indian Polity, History & Geography | General awareness | Question bank |
| World General Knowledge | General awareness | Question bank |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| English Grammar | English | Question bank |