Quantitative Aptitude for Competitive Examinations

✍ Scribed by Dinesh Khattar

• Publisher: Pearson Education
• Year: 2020
• Tongue: English
• Leaves: 1049
• Edition: 4
• Category: Library

✦ Table of Contents

Cover
Contents
Preface to the Fourth Edition
Preface to the First Edition
Acknowledgement
ComPetitive eXaminations: an overview
Chapter 1: Numbers
Introduction
Number System
Natural Numbers
Whole Numbers
Irrational numbers
real numbers
even numbers
odd numbers
Prime numbers
composite numbers
Basic Formulae
AddItIon and SubtractIon
Multiplication
Squares
Division
Short-Cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
ExercIse-1
Exercise-2 (Based on Memory)
Chapter 2: H.C.F. and L.C.M. of Numbers
Common Factor
Highest Common Factor
Methods of Finding H.C.F.
Common Multiple
Least Common Multiple
Methods of Finding L.C.M.
Short-Cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 3: Square Root and Cube Root
Square
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Expalantory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 4: Simplification
Simple Arithmetic Operations
Bodmas
Short-cut Methods
Exercise–1
Exercise 2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise–2 (Based on Memory)
Chapter 5: Percentage
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 6: Percentage
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 6: Average
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 7: Ratio and Proportion
Ratio
Types of Ratios
Proportion
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 8: Partnership
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 9: Profit and Loss
Introduction
Basic Formulae
Some Useful Shortcut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 10: Time and Work, Work and Wages
Introduction
Basic Formulae
Exercise 1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 11: Pipes and Cisterns
Introduction
Basic Formulae
Some Useful Shortcut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 12: Time and Distance
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 13: Boats and Streams
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 14: Races and Games of Skill
Introduction
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 15: Alligation or Mixture
Introduction
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 16: Problems on Ages
Introduction
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 17: Simple Interest
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 18: Compound Interest
Introduction
Basic Formulae
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 19: Logarithms
Introduction
Laws of Logarithms
Short-cut Methods
Exercise-1
Answer Keys
Explanatory Answers
Exercise-1
Chapter 20: Stocks, Shares and Debentures
Introduction
Type of Shares
Face Value and Market Value of Share
Stocks and Brokerage
Computation of Investment or Market Value of a Stock
Computation of Gain or Loss in the Sale and Purchase of a Stock
Change in Income on sale or Reinvestment
Debentures
Difference between Share Sandebentures
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 21: Discount (True and Banker’s)
Introduction
Basic Formulae
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 22: Binary Number System
Introduction
Exercise-1
Answer Keys
Explanatory Answers
Exercise-1
Chapter 23: Series
Introduction
Series
Number series
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 24: Clocks and Calendar
Clocks
Some Basic Facts
Short-cut Methods
Some Basic Facts
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 25: Polynomials
Polynomial
Some Basic Theorems
Some Useful Results and Formulae
A Useful Thortcut Method
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 26: H.C.F. and L.C.M. of Polynomials
Introduction
Exercise-1
Answer Keys
Explanatory Answers
Exercise-1
Chapter 27: Linear Equations
Linear Equation in one Variable
Linear Equation in Two Variables
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 28: Quadratic Equations
Introduction
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-2 (Based on Memory)
Chapter 29: Progression
Introduction
Sequence
Progressions
Series
Arithmetic Progression (A.P.)
General Term of an A.P.
Geometric Progression
General Term of a G.P.
Harmonic Progression
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 30: Set Theory
Introduction
Set
Representation of Sets
Finite and Infinite Sets
Empty Set (or Null Set)
Singleton
Equal Sets
Equivalent Sets
Subset of a Set
Power Set
Comparable Sets
Universal Set
Venn Diagrams
Complement of a Set
Cartesian Product of Sets
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 31: Permutations and Combinations
Introduction
Factorial Notation
Some Basic Results
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 32: Probability
Introduction
Probability of an Event
Independent Events
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 33: Mensuration I: Area and Perimeter
Introduction
Some Basic Facts
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 34: Mensuration II: Volume and Surface Area
Introduction
Basic Formulae
Solids Inscribed/Circumscribing other Solids
Short-cut Methods
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 35: Trigonometric Ratios
Introduction
Exercise-1
Exercise-2 (Based on Memory)
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 36: Heights and Distance
Introduction
ExercIse-1
ExercIse-2 (Based on Memory)
Answer Keys
Explanatory Answers
ExercIse-1
Exercise-2 (Based on Memory)
Chapter 37: Plane Geometry
Section 1: Lines and Angles
Section 2: Triangles
Key Results to Remember
Section 3: Quadrilaterals and Parallelograms
Key Results to Remember
Section 4: Polygons
Key Results to Remember
Section 5: Circles and Tangents
Key Results to Remember
Theorems on Tangents
Some Useful Results
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 38: Co-ordinate Geometry
Introduction
Basic Formulae
Shortcut Method for Finding the Area
Exercise-1
Exercise-2 (Based on Memory)
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory)
Chapter 39: Data Interpretation
Introduction
Share Value in Rupees
Exercise-1
Exercise-2 (Based on Memory)
Recent Years’ Questions
Answer Keys
Explanatory Answers
Exercise-1
Exercise-2 (Based on Memory )
Recent Years’ Questions
Chapter 40: Data Sufficiency
Introduction
Exercise-1
Answer Keys
Explanatory Answers
Exercise-1