Percentage · solved example
What is 20% of 350?
- 70Correct
- 60
- 80
- 75
- 65
Solution
20% of 350 is 20/100 times 350, which equals 70.
Police & Paramilitary | UP Police SI & ASI
UP Police SI & ASI sets 40 Quantitative Aptitude questions for 100 marks in the Written Examination, so it is worth planning your preparation around the topics below.
Speed decides this section. The arithmetic and data-interpretation sets are where the marks are, so the priority is a reliable method and quick calculation rather than exotic shortcuts. Lock down tables, squares and reciprocals, then drill data interpretation until reading the set is faster than solving it.
How much Quantitative Aptitude is worth in each UP Police SI & ASI stage, from the official pattern.
| Stage | Questions | Marks | Time | Share |
|---|---|---|---|---|
| Written Examination | 40 | 100 | — | 25% |
Every topic in the official syllabus. The linked ones open a set of solved questions you can practise straight away.
Written to the UP Police SI & ASI pattern, with the answer key and the method behind it — a look at how the section is actually set before you drill the full topic sets.
Percentage · solved example
What is 20% of 350?
Solution
20% of 350 is 20/100 times 350, which equals 70.
Averages · solved example
The average of 10, 20, 30, 40 and 50 is:
Solution
Add the numbers to get 150 and divide by 5 to get the average, which is 30.
Profit and loss · solved example
A man buys a cycle for Rs 2,000 and sells it for Rs 2,300. His profit percentage is:
Solution
Profit is 2300 - 2000 = 300. As a percentage of the cost price, that is 300 / 2000 x 100 = 15%.
Ratio · solved example
The ratio 45 : 60 expressed in its simplest form is:
Solution
Divide both terms by their highest common factor, 15: 45 divided by 15 is 3 and 60 divided by 15 is 4, giving 3 : 4.
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Untimed drills with the method shown after every question — the step between learning a topic and sitting it under a clock.
Calculation speed
195 questions, instant feedback
Data interpretation
105 questions, instant feedback
Mensuration, mixtures and counting
87 questions, instant feedback
Number series
93 questions, instant feedback
Percentage, profit and averages
123 questions, instant feedback
Quadratic equations
69 questions, instant feedback
Interest, ratio and partnership
117 questions, instant feedback
Simplification and approximation
108 questions, instant feedback
Time, speed, distance and work
108 questions, instant feedback
Quantitative Aptitude shows up in every UP Police SI & ASI mock test, in the same interface, with sectional locking and negative marking.
UP Police SI & ASI: 24-question practice mock
24 questions | 24 min
UP Police SI & ASI 2025-26 cycle (Advt PRPB-B 13/2025) sets 40 Quantitative Aptitude questions for 100 marks in the Written Examination.
No. The UP Police SI & ASI written stage carries no negative marking, so it is worth attempting every Quantitative Aptitude question you can.
The UP Police SI & ASI syllabus lists Number system and simplification, Percentage, ratio, average and interest, Profit and loss and discount, Time, speed, distance and work, Mensuration and basic data interpretation. Weight your revision towards the ones you are weakest on and confirm the emphasis against the paper analysis for recent cycles.
Every Quantitative Aptitude question on this site is free and written to the exam pattern. Use the topic drills for instant-feedback practice, the daily quiz to keep the section warm, and the UP Police SI & ASI mock tests to sit it under a real clock with negative marking.