Subject
Quantitative Aptitude
Complete SSC CGL quantitative aptitude coverage: number systems, arithmetic, algebra, geometry, mensuration, trigonometry, statistics, and data interpretation, taught with exam-speed methods and error analysis.
22 topics - Updated 19 Sept 2026
Topics
Number System
Number sets, place value, primes, factors, divisibility, remainders, unit digits and factor counting, with English and Hindi explanations.
Open topic page
Arithmetic Operations
Signed integer operations, BODMAS, mixed expressions, estimation and checking numerical answers.
Open topic page
Decimals
Decimal place value, ordering, arithmetic, and terminating and recurring expansions.
Open topic page
Fractions
Equivalent fractions, mixed numbers, comparison, arithmetic and decimal conversion.
Open topic page
Ratio and Proportion
Ratios, proportions, direct and inverse variation, sharing quantities, and changing ratios with worked examples.
Open topic page
Percentages
Percentage conversion, reference quantities, increase and decrease, successive changes, reverse percentages and applications.
Open topic page
Averages
Arithmetic means, total and count, combined and weighted averages, and changes after adding, removing or replacing values.
Open topic page
Commercial Arithmetic
Cost and selling price, profit and loss percentages, marked price and markup, successive discounts, and combined commercial calculations.
Open topic page
Simple Interest
Simple interest: principal, annual rate, time, amount, unknown quantities and comparing arrangements. साधारण ब्याज: मूलधन, वार्षिक दर, समय, मिश्रधन और योजनाओं की तुलना।
Open topic page
Compound Interest
Successive accumulation, compounding intervals, simple versus compound interest, growth and depreciation. क्रमिक संचय, चक्रवृद्धि अंतराल, साधारण और चक्रवृद्धि ब्याज की तुलना, वृद्धि और मूल्यह्रास।
Open topic page
Percentages and Commercial Arithmetic
A complete SSC CGL learning sequence covering percentage conversion, increase and decrease, successive change, reverse percentage, profit and loss, discount, marked price, and mixed word problems with bilingual explanations, speed methods, and common-error diagnostics.
Open topic page
Partnership
Capital-time profit sharing and changes in investment or participation. पूँजी-समय के आधार पर लाभ का बँटवारा और निवेश या साझेदारी में बदलाव।
Open topic page
Mixtures
Concentration, weighted averages, alligation, replacement and repeated dilution. सांद्रता, भारित औसत, मिश्रण का नियम, प्रतिस्थापन और बार-बार तनुकरण।
Open topic page
Work and Time
Work rates, combined and changing teams, alternate-day work, efficiency and wages. कार्य-दर, संयुक्त और बदलती टीमें, एकांतर दिनों का कार्य, दक्षता और मजदूरी।
Open topic page
Speed, Distance and Time
Speed and units, average and relative speed, trains, boats, races and circular tracks. चाल और इकाइयाँ, औसत और सापेक्ष चाल, रेलगाड़ियाँ, नावें, दौड़ और वृत्ताकार पथ।
Open topic page
Measurement
Length, area and volume conversions, measurement accuracy and dimensional checks. लंबाई, क्षेत्रफल और आयतन की इकाइयाँ, मापन की सटीकता और विमीय जाँच।
Open topic page
Plane Mensuration
Perimeter and area of rectangles, triangles, quadrilaterals, circles, composite figures and paths. आयतों, त्रिभुजों, चतुर्भुजों, वृत्तों, संयुक्त आकृतियों और रास्तों की परिमिति और क्षेत्रफल।
Open topic page
Solid Mensuration
Surface areas and volumes of cubes, cuboids, cylinders, cones, spheres, prisms, pyramids and composite solids. घन, घनाभ, बेलन, शंकु, गोले, प्रिज्म, पिरामिड और संयुक्त ठोसों का पृष्ठीय क्षेत्रफल और आयतन।
Open topic page
Algebra
Expressions, identities, factorisation, equations, surds and graphs. व्यंजक, सर्वसमिकाएँ, गुणनखंडन, समीकरण, करणी और आलेख।
Open topic page
Geometry
Lines, angles, triangles, quadrilaterals, polygons, circles and tangents. रेखाएँ, कोण, त्रिभुज, चतुर्भुज, बहुभुज, वृत्त और स्पर्शरेखाएँ।
Open topic page
Trigonometry
Right-triangle ratios, standard angles, identities, radians, heights and distances. समकोण त्रिभुज के अनुपात, मानक कोण, सर्वसमिकाएँ, रेडियन, ऊँचाइयाँ और दूरियाँ।
Open topic page
Squares and Square Roots
Perfect squares, factorisation, square-root division and justified estimates. पूर्ण वर्ग, गुणनखंडन, वर्गमूल की भाग विधि और जाँचे हुए अनुमान।
Open topic page
Notes
View all notesIdentify the correct percentage base, distinguish percentage points from relative change, and use multipliers to combine or reverse successive changes.
Learn divisibility tests for 3, 9 and 11, find every permitted missing digit, and avoid common mistakes through worked examples and practice questions.
Mock tests
Open mock tests- SSC CGL Commercial Arithmetic, Interest and Mixtures: 24-Question Practice24 Q
- SSC CGL Ratios, Percentages and Averages: 20-Question Practice20 Q
- SSC CGL Decimals and Fractions: 16-Question Module Practice16 Q
- SSC CGL Number System: 16-Question Module Practice16 Q
- SSC CGL Arithmetic Operations: 12-Question Module Practice12 Q