The subject matter of this book is comprehensive and exam oriented. Even an average student will find no difficulty in understanding the various topics???Number System and Arithmetical Operations; LCM & HCF; Fraction and Decimal Fraction; Square, Cube, Square root and Cubic root; Indices and Surds; Algebraic Simplification; Application of Equation in one and two variables; Average; Age Problem; Percentage; Profit, Loss and Discount; Ratio Proportion, Mixture, Partnership; Simple Interest and Compound Interest; Time Distance, Trains and Boat Current; Time, Work and Pipe Cistern; Area; Surface Area and Volume; Number Series; Questions on Data and Table; Data Sufficiency; Approximation; Permutation and Combination; Probability Theory; Quadratic Equation and Inequality; Progression (AP/GP/HP); Geometry; Co-ordinate Geometry; Logarithm; Trigonometry; Appendix???Solving Equations; Factorial and Binomial Theorem; Binary Number System. The questions have been arranged and framed with chapterwise direction. The author has also tried to present this book in new style and compiled the previous questions of fifteen years of the above competitive examinations. It will also help the students to understand the topics easily and also help them to qualify in the above competitive examinations.