A comprehensive guide for quantitative aptitude, logical reasoning, and data interpretation — essential for campus placements, competitive exams, and government job tests.
Topic Description
Percentages Percentage calculations, successive changes, shortcuts Ratios & Proportions Ratios, proportions, mixtures, alligation Averages Simple/weighted averages, deviation method Profit & Loss Cost price, selling price, discounts, marked price Time & Work Work efficiency, pipes & cisterns, LCM method Speed, Distance & Time Trains, boats & streams, relative speed Probability & Combinatorics Permutations, combinations, dice/coins/cards Number Systems Divisibility, HCF/LCM, remainders
Start with fundamentals — Percentages, Ratios, Averages form the base for everything else.Practice shortcuts — Each topic includes time-saving tricks critical for timed tests.Solve practice questions — Every file has worked examples and practice problems with solutions.Mix topics — Real exams combine topics; practice mixed problem sets.
Exam Type Key Aptitude Topics
TCS NQT Percentages, Profit/Loss, Number Systems, DI Infosys Logical Reasoning, Puzzles, Speed/Dist Wipro Quant basics, DI, Logical reasoning CTS Coding + Aptitude mix, Patterns GATE Probability, Number Systems, Discrete Math Banking/SSC All quant topics + DI heavily weighted
Memorize multiplication tables up to 30, squares up to 40, cubes up to 20Learn fraction-percentage equivalents (1/8 = 12.5%, 1/6 = 16.67%, etc.)Practice mental math daily — even 15 minutes helpsTime yourself — aim for 30-45 seconds per question in practice