Cheatsheets: One-Page Revision Notes for Government Exams
One-page references worth keeping open the week before a paper: formulas, rules and lists that are faster to revise from a single sheet than from a chapter. Updated when the syllabus they cover changes.
86 cheat sheets
Pipes and Cisterns Cheat Sheet
A quick revision cheat sheet on pipes and cisterns for SSC, Banking, Railway and state exams. It covers the rate idea, how to combine inlet pipes, how an outlet pipe subtracts, the time for pipes working together, and the net filling rate, with worked examples to revise quickly before the exam.
Mixture and Alligation Cheat Sheet
A quick revision cheat sheet on mixture and alligation for SSC, Banking, Railway and state exams. It explains the rule of alligation and its cross diagram, how to find the ratio in which two ingredients are mixed, the mean-price idea, and the repeated-replacement formula for dilution, with worked examples.
Probability Cheat Sheet
A quick revision cheat sheet on probability for SSC, Banking, Railway and state exams. It covers the basic probability formula, the addition and multiplication rules, the complement rule, and the standard sample spaces for coins, dice and a pack of cards, with worked examples to revise quickly before the exam.
Statistics Cheat Sheet
A quick revision cheat sheet on basic statistics for SSC, Banking, Railway and state exams. It covers the three measures of central tendency — mean, median and mode — with their formulas, how to find each for a set of values, the range, and the empirical relationship between mean, median and mode, with worked examples.
Compound Interest Cheat Sheet
A quick revision cheat sheet on compound interest for SSC, Banking, Railway and state exams. It covers the amount and compound-interest formulas, half-yearly and quarterly compounding, how compound interest differs from simple interest, and the shortcut for the CI-minus-SI difference over two and three years, with worked examples.
Fractions and Decimals Cheat Sheet
A quick revision cheat sheet on fractions and decimals for SSC, Banking, Railway and state exams. It covers the types of fractions, converting between fractions, decimals and percentages, the four operations on fractions, how to compare fractions quickly, and the fraction-percentage values worth memorising for fast calculation.
Algebra Cheat Sheet
A quick revision cheat sheet on algebra for SSC, Banking, Railway and state exams. It gathers the algebraic identities, the special a+b+c=0 result, the laws of indices, and the quadratic-equation formulas — roots, discriminant, and the sum and product of roots — in one place for fast revision before the exam.
Inequalities Reasoning Cheat Sheet
A quick revision cheat sheet on reasoning inequalities for SSC, Banking, Railway and state exams. It covers the inequality symbols, how to combine relations into a chain, when a conclusion is definitely true, the coded-inequality type, and the either-or case that trips up most candidates, with clear examples.
Order and Ranking Cheat Sheet
A quick revision cheat sheet on order and ranking for SSC, Banking, Railway and state exams. It covers the total-from-both-ends formula, how to convert a rank from one end to the other, how to handle "between" problems, and the common traps, with worked examples you can revise in a minute.
Seating Arrangement Cheat Sheet
A quick revision cheat sheet on seating arrangement and puzzles for SSC, Banking, Railway and state exams. It covers the linear, circular and rectangular arrangements, the left-right rule for people facing the centre or outward, and a step-by-step method for fixing positions and eliminating the wrong options quickly.
Alphabet Test Cheat Sheet
A quick revision cheat sheet on the alphabet test for SSC, Banking, Railway and state exams. It covers the letter position numbers, the EJOTY memory trick, the opposite-letter rule, and the common question types — nth letter from an end, letters between two, and the middle letter — with the quick formulas.
Calendar Reasoning Cheat Sheet
A quick revision cheat sheet on calendar problems for SSC, Banking, Railway and state exams. It explains the odd-days method, the leap-year rule, the odd days in ordinary and leap years and in 100, 200, 300 and 400 years, and how to find the day of the week for any date, with a worked example.
Clock Reasoning Cheat Sheet
A quick revision cheat sheet on clock problems for SSC, Banking, Railway and state exams. It covers the degrees moved by the hour and minute hands, the formula for the angle between the two hands, how often the hands coincide, point opposite or form a right angle, and the common gaining-time idea, with worked examples.
Mensuration Cheat Sheet
A quick revision cheat sheet on mensuration for SSC, Banking, Railway and state exams. It gathers the area and perimeter formulas for the common 2D shapes and the volume and surface-area formulas for the common 3D solids — cube, cuboid, cylinder, cone, sphere and hemisphere — in one place for fast revision.
Geometry Cheat Sheet
A quick revision cheat sheet on geometry for SSC, Banking, Railway and state exams. It covers lines and angles, the triangle angle properties and Pythagoras theorem, the types of triangles, the interior and exterior angles of polygons, and the key circle angle rules, in a form you can revise quickly before the exam.
Trigonometry Cheat Sheet
A quick revision cheat sheet on trigonometry for SSC, Banking, Railway and state exams. It covers the six trigonometric ratios, the standard-angle value table for 0 to 90 degrees, the three Pythagorean identities, the complementary-angle rules and height-and-distance basics, in a form built for fast revision.
Simplification Cheat Sheet
A quick revision cheat sheet on simplification and approximation for SSC, Banking, Railway and state exams. It covers the BODMAS order of operations, the order of brackets, the approximation method for fast answers, the algebraic identities, and the fraction and percentage values worth memorising to save time in the exam.
Data Interpretation Cheat Sheet
A quick revision cheat sheet on data interpretation for SSC, Banking, Railway and state exams. It covers the common DI formats — tables, bar graphs, line graphs, pie charts and caselets — the pie-chart angle and percentage formulas, and the core calculations of percentage change, ratio and average used to answer DI questions quickly.
Partnership Cheat Sheet
A quick revision cheat sheet on partnership for SSC, Banking, Railway and state exams. It explains how profit is shared between partners, the difference between simple and compound partnership, how to handle capital invested for different periods, and the working-versus-sleeping-partner salary case, with worked examples.
Time and Work Cheat Sheet
A quick revision cheat sheet on time and work for SSC, Banking, Railway and state exams. It covers the one-day-work idea, the combined-work formula, the efficiency and LCM methods, the men-days-hours relation, and how pipes and cisterns use the same rules, with worked examples.