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Quantitative Aptitude & Reasoning Study Materials

Aptitude and Reasoning study materials covering number systems, percentages, profit & loss, time & work, speed & distance, data interpretation, logical reasoning, verbal reasoning, and puzzles.

Competitive ExamsEntrance Tests

Topic-wise Notes

Number Systems & Simplification

Types of numbers, BODMAS, HCF, LCM, factors, multiples, and simplification.

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Percentages

Percentage change, percentage increase/decrease, percentage of a value, and applications.

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Profit & Loss

Cost price, selling price, discount, profit/loss percentage, and marked price problems.

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Time & Work

Work done in a day, pipes and cisterns, efficiency, and combined work problems.

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Speed, Distance & Time

Relative speed, trains, boats and streams, and average speed problems.

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Ratio, Proportion & Averages

Ratios, direct/inverse proportion, averages, weighted averages, and mixtures.

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Data Interpretation

Bar graphs, pie charts, line graphs, tables, caselets — reading and calculation.

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Logical Reasoning

Syllogisms, blood relations, direction sense, coding-decoding, seating arrangements, and puzzles.

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Verbal Reasoning

Analogies, series completion, odd one out, statement-conclusion, and sentence correction.

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Simple & Compound Interest

SI and CI formulas, interest calculations, difference between SI and CI, and problem-solving.

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Probability (Aptitude)

Basic probability, events, dice, coins, cards, and conditional probability problems.

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Geometry & Mensuration

Areas of triangles, circles, polygons; volumes of solids; and coordinate geometry basics.

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Frequently Asked Questions — Quantitative Aptitude & Reasoning

Where can I download free Quantitative Aptitude & Reasoning notes?
SII provides free Quantitative Aptitude & Reasoning study materials on this page. Browse chapter-wise notes, question papers, and revision guides prepared by our expert educators. Enrolled students get access to complete premium resources.
What topics are covered in Quantitative Aptitude & Reasoning at SII?
Our Quantitative Aptitude & Reasoning curriculum covers all major topics for Competitive Exams, Entrance Tests — including theory notes, solved examples, formulae sheets, and previous year exam questions. Each topic page has a dedicated notes section.
How are SII Quantitative Aptitude & Reasoning notes different from NCERT?
SII notes complement NCERT by providing extra solved examples, shortcut methods, common exam mistakes, important formulas, and concept summaries. They are specifically designed to help students score higher in board and competitive exams.
Can I access Quantitative Aptitude & Reasoning notes on mobile?
Yes! All SII study materials are fully mobile-optimised. You can browse, read, and download notes on any device — smartphone, tablet, or desktop — without any app download required.
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