Quantitative Aptitude
Master arithmetic, algebra, and geometry with step-by-step visual solvers. Each topic covers core concepts, exam shortcuts, and animated practice problems.
Arithmetic
Core topics asked in every exam
Percentage
Core concept, reverse percentage, successive changes, and fraction equivalents.
Profit, Loss & Discount
CP/SP formulas, successive discounts, faulty weight, and marked price problems.
Ratio & Proportion
k-method, mean proportion, age ratio, and proportion applications.
Time, Speed & Distance
Average speed, trains, boats, relative speed, and race problems.
Time & Work
LCM method, efficiency, pipes & cisterns, and multi-worker problems.
Advanced Arithmetic
High-weightage topics for Tier 2 and banking
Number System
HCF, LCM, remainders, last-digit cyclicity, trailing zeros, and divisibility rules.
Average
Weighted average, replacement effect, wrong entry correction, and consecutive sequences.
Simple & Compound Interest
SI/CI formulas, CI−SI shortcut, half-yearly compounding, and Rule of 72.
Mixture & Alligation
Alligation cross, repeated dilution formula, mixing ratios, and concentration problems.
Mensuration
2D and 3D shapes — area, volume, surface area, percentage change, and shape recasting.
Higher Mathematics
SSC CGL Tier 2, CDS, and UPSC CSAT
Algebra
Linear equations, quadratic roots, algebraic identities, and the remainder theorem.
Trigonometry
SOHCAHTOA, standard values, Pythagorean identities, complementary angles, and heights & distances.
Data Interpretation
Tables, bar charts, pie charts, line graphs, and caselet DI with approximation tricks.
Statistics & Probability
Mean/median/mode, variance, probability rules, P&C, and the complement rule.
Visualizer
Interactive animated explorations
Miscellaneous
High-frequency topics across all exams
Surds & Indices
Laws of indices, negative/fractional exponents, surd simplification, and rationalisation.
Partnership
Simple and compound partnership, equivalent capital method, working vs sleeping partners.
Problems on Ages
Present age setup, ratio method, past/future age conditions, and multi-person problems.
Simplification
BODMAS rule, approximation for banking exams, fraction operations, and square roots.
Sequences & Series
AP/GP nth term, sum formulas, special series, and number series patterns.
Applied Problems
Motion, proportion, and number topics from R.S. Aggarwal
Decimal Fractions
Decimal operations, fraction conversion, recurring decimals, and approximation.
Square & Cube Roots
Finding roots, estimation methods, perfect square shortcuts, and cube root tricks.
Chain Rule
Direct and inverse proportion chains, multi-variable work and cost problems.
Boats & Streams
Upstream/downstream speed, still water and stream speed formulas.
Problems on Trains
Crossing a pole, platform, and another train — relative speed and length problems.
Races & Games
Beat by distance/time, head start, three-runner chain, and games of skill points.
Logarithms
Log rules (product, quotient, power), standard values log 2/3/7, and log equations.
Banking & Special Topics
Time-based and financial topics for SSC CGL Tier 2 and banking exams
Calendar
Day of the week, odd days method, leap year rules, and date calculations.
Clocks
Angle between hands, coincidence times, right-angle positions, and clock gain/loss.
Stocks & Shares
Face value, market value, dividend yield, and brokerage calculations.
True Discount
Present worth, true discount vs simple interest, and banker's gain formula.
Banker's Discount
Banker's discount vs true discount, banker's gain, and face value from BD and BG.