Khattar D Quantitative Aptitude for Competitive Exam 4ed 2019

Textbook in PDF format

Since the publication of last edition of this book, I have received immense support from readers, and a lot of inputs on how this book could be improved. With the aid of all this information, it gives me immense pleasure to present a completely updated fourth edition of the book.
Following are noteworthy inclusion in this edition:
-The book is updated with latest previous years’ questions asked in various competitive examination with explanatory answers.
- Alternated solutions have been given for teaching multiple approaches to learner.
- Solution to each and every question in the book.
In order to provide a more focused approach, the obsolete previous years’ questions have been deleted in every chapter, however the basic structure of the book has been kept intact. In preparing this fourth edition, I am greatly indebted to many teachers at various coaching centers as wells students throughout the country who made constructive criticism and extended valuable suggestions for the improvement of the book. Any suggestions to ensure further improvement of the book will be greatly acknowledged.
I am extremely thankful to editorial team of Pearson Education for all the hard work they had put in this book and made possible the publishing of this book in timely and precious manner.
Contents
Numbers
H.C.F. and L.C.M. of Numbers
Square Root and Cube Root
Simplification
Percentage
Average
Ratio and Proportion
Partnership
Profit and Loss
Time and Work, Work and Wages
Pipes and Cisterns
Time and Distance
Boats and Streams
Races and Games of Skill
Alligation or Mixture
Problems on Ages
Simple Interest
Compound Interest
Logarithms
Stocks, Shares and Debentures
Discount (True and Banker’s)
Binary Number System
Series
Clocks and Calendar
Polynomials
H.C.F. and L.C.M. of Polynomials
Linear Equations
Quadratic Equations
Progression
Set Theory
Permutations and Combinations
Probability
Mensuration I: Area and Perimeter
Mensuration II: Volume and Surface Area
Trigonometric Ratios
Heights and Distance
Plane Geometry
Co-ordinate Geometry
Data Interpretation
Data Sufficiency