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Philippines Civil Service Exam Percentages Questions
Practise percentages (quantitative aptitude) for the Civil Service Examination (Professional & Subprofessional): 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 25% of 660?
Show answer & explanation
Answer: A — 165
25% of 660 = 25/100 × 660 = 165.
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Q2.Two successive discounts of 20% and 12% are equivalent to a single discount of:
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Answer: B — 29.6%
Net discount = a + b − ab/100 = 20 + 12 − 20×12/100 = 29.6%.
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Q3.Two successive discounts of 20% and 10% are equivalent to a single discount of:
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Answer: B — 28%
Net discount = a + b − ab/100 = 20 + 10 − 20×10/100 = 28%.
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Q4.Two successive discounts of 30% and 15% are equivalent to a single discount of:
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Answer: B — 40.5%
Net discount = a + b − ab/100 = 30 + 15 − 30×15/100 = 40.5%.
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Q5.The price of an item changes from ₱175 to ₱210. What is the percentage change?
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Answer: B — 20% increase
Change = 35 on a base of 175: 35/175 × 100 = 20% increase. Always divide by the ORIGINAL value.
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Q6.The price of an item changes from ₱375 to ₱328.13. What is the percentage change?
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Answer: C — 12.5% decrease
Change = -46.88 on a base of 375: -46.88/375 × 100 = 12.5% decrease. Always divide by the ORIGINAL value.
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Q7.What is 18% of 460?
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Answer: C — 82.8
18% of 460 = 18/100 × 460 = 82.8.
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Q8.What is 18% of 540?
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Answer: B — 97.2
18% of 540 = 18/100 × 540 = 97.2.
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Q9.The price of an item changes from ₱975 to ₱1,121.25. What is the percentage change?
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Answer: B — 15% increase
Change = 146.25 on a base of 975: 146.25/975 × 100 = 15% increase. Always divide by the ORIGINAL value.
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Q10.What is 60% of 800?
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Answer: A — 480
60% of 800 = 60/100 × 800 = 480.
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 Philippines Civil Service Exam
Civil Service Examination (Professional & Subprofessional) — conducted by Civil Service Commission (CSC). Eligibility exam for government jobs in the Philippines, covering verbal, numerical and analytical ability.
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.
Philippines Civil Service Exam practice topics
| Topic | Section | Question source |
|---|---|---|
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| English Grammar | English | Question bank |
| Vocabulary & Idioms | English | Question bank |
| Logical Reasoning | Reasoning | Calculated (new numbers every set) |
| World General Knowledge | General awareness | Question bank |