Sankhyatmak Abhiyogyata’ (Quantitative Aptitude) is written by R. S. Aggarwal. The content of the book is written in Hindi. The book content includes Numbers, H.C.F & L.C.M, Decimal Fractions, Arithmetic, Geometric & Harmonic Progressions, Simplification, Square Roots & Cube Roots, Average, Problems on Numbers, Problems on Ages, Surds and Indices, Logarithms, Percentage, Profit & Loss, Ratio & Proportion, Partnership, Mixture, Compound Proportion, Time & Work, Pipes and Cistern, Time & Distance, Problems on Trains, Boats and Stream, Simple Interest, Compound Interest, True Discount, Banker's Discount, Area, Volume, Races, Calendar, Clocks, Shares & Dividend, Permutations and Combinations, Probability, Trigonometry, Series, Tabulation, Pie-Chart, Bar-Graphs and Line Graphs. The book is suitable for competitive exams such as Bank P.O, Railway, S.S.C, Police, etc. if you want to score good in any of the competitive exams then get this book from Amazon India at affordable rates.