Ever since its release in 1989, Quantitative Aptitude has come to acquire a special place of respect and acceptance among students and aspirants appearing for a wide gamut of competitive exams. Now, more than a quarter of a century later, with the ever changing environment of examinations, the book too reinvents itself while being resolute to its core concept of providing the best content with easily understandable solutions., (a) Comprehensive: The book is more comprehensive than ever before with more than 5500 questions (supported with answers and solutions—a hallmark of Quantitative Aptitude). (b) Easy to follow: Chapters begin with easy-to-grasp theory complemented by formulas and solved examples. They are followed by a wide-ranging number of questions for practice. (c) Latest & Updated: The book captures the latest examination patterns as well as questions for practice., Section-I: Arithmetical Ability Number System H.C.F. and L.C.M. of Numbers Decimal Fractions Simplification Square Roots and Cube Roots Average Problems on Numbers Problems on Ages Surds and Indices Logarithms Percentage Profit and Loss Ratio and Proportion Partnership Chain Rule Pipes and Cisterns Time and Work Time and Distance Boats and Streams Problems on Trains Alligation or Mixture Simple Interest Compound Interest Area Volume and Surface Area Races and Games of Skill Calendar Clocks Stocks and Shares Permutations and Combinations Probability True Discount Banker's Discount Heights and Distances Odd Man Out and Series Section-II: Data Interpretation Tabulation Bar Graphs Pie Chart Line Graphs, Bank PO, SBI-PO, IBPS, RBI Exams MBA, MAT, CMAT, GMAT, CAT, IIFT, IGNOU SSC Combined Preliminary Exam, Hotel Management Sub-Inspectors of Police, CBI, CPO Exams UPSC-CSAT, SCRA and other State Services Exams Railway Recruitment Board Exams Campus Recruitment Tests