Aptipedia Aptitude Encyclopedia, 2ed

Preface

Aptipedia Highlights

Section A: Quantitative Aptitude

Chapter 1: Fundamentals

BODMAS

Multiplication

Cases for Easy Computation

Fractions

Factorisation

Base

Triangular Numbers

Squares

Cubes

Square Root

Cube Root

Surds indices

Pythagoras Theorem

Basics of Algebra

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 2: Numbers

Types of Numbers

Power Cycles

Factors and Multiples

HCF and LCM

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 3: Percentages

Introduction

Percentage increase or Decrease

Concept of Multiplication Factor

Successive increase/Decrease

Percentage Points

important Concepts and Formulae

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 4: Averages and Alligations Averages

Alligations

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 5: Ratio, Proportion     and Variation

Ratio

Proportion

Variation

Types of Variations

Partnership

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 6: Equations

Variables

Linear Equations

Linear Equations with One Variable

Linear Equations with Two Variables

Quadratic Equations

Equations of a Higher Degree

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 7: Interest

Simple interest

Compound interest

Value of Money

Population

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 8: Profit and Loss

Some important Terms

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 9: Progressions

Arithmetic Progression (A.P.)

Arithmetic Mean

Geometric Progression (G.P.)

Geometric Mean

Harmonic Progression (H.P.)

Additional Concepts

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 10: Time and Work

Fundamentals

Alternate Method

Pipes and Cisterns

Work Equivalence (Man-Days Concept)

Division of Wages

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 11: Time, Speed and Distance

Introduction

Speed

Relations Between Speed, Distance and Time

Units of Speed and Conversion Factors

Average Speed 148 Relative Speed

Passing, Crossing and Overtaking Bodies

Travel and Meeting

Boats and Streams

Races and Circular Tracks

Types of Problems

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 12: Logarithms, Inequalities and Modulus

Logarithms

inequalities and Modulus

Modulus or Absolute Value

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 13: Geometry

First Things First

Angles

Parallel Lines

Polygon

Triangles

Circles

Formulae in Mensuration

Solved Examples

Exercise 1

Exercise 2

Solutions 200

Recap

Chapter 14: Permutations and Combinations

Fundamental Principle of Counting

Permutations

Combinations

And–Or Simplification

Approach to Solve Problems

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 15: Probability

Basic Definitions

Basic Theorems of Probability

Expected Value

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Section B: Logical Reasoning

Chapter 1: Data Arrangements;     Blood Relations; Direction Senses

Data Arrangements

Construction of Questions on Arrangements

Solution Approach for Questions on Arrangements

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Blood Relations

Typical Terms Given in Blood Relations Typical Questions Based on Blood Relations

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Direction Senses

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 2 Data Interpretation and     Data Sufficiency

Data interpretation

Tables

Bar Graphs

Pie Charts

Line Charts

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Data Sufficiency

Why Data Sufficiency Questions Are Unique?

Framing of Data Sufficiency Questions

Tips and Strategies to Solve Data Sufficiency Questions

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 3: Series, Odd Man Out, Coding and Decoding, Analogy

Series Completion

Odd Man Out

Coding and Decoding

Analogy

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 4: Syllogisms and Logical Connectives

Syllogisms

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Logical Connectives

Solved Examples

Exercise 1

Exercise 2

Solutions 337

Recap

Chapter 5: Inequalities

introduction

Coded inequalities

Direct inequalities

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 6: Venn Diagrams

Venn Diagrams

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 7: Clocks, Calendars and Cubes

Clocks

Calendars

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Cubes

Commonly Asked Question Types on Cubes

Cutting into the Cube

Hollow Cube

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 8: Input–Output Machines

Introduction

Methods of Rearrangements

Types of input

Alphabetical Order

Arbitrary Starting

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 9: Attention to Details

Attention to Details

Decision Making

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Section C: Verbal Ability

Chapter 1: Reading Comprehension

Introduction

Strategies to Be Employed

Types of Questions

Types of Approaches

Solved Examples

Exercise 1

Exercise 2

Solutions

Critical Reasoning

What is Critical Reasoning?

Types of Questions in Critical Reasoning

Recap

Chapter 2: Grammar

introduction

Types of Questions

Basic Concepts

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 3: Vocabulary

introduction

Strategies to Be Employed

idiomatic Phrases

Phrasal Verbs

Homophones, Homonyms and Heteronyms

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 4: Parajumbles

introduction

Types of Jumbles

Types of Parajumble Questions Asked

Steps to Solve Parajumbles

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Chapter 5: Sentence Completion

introduction

Structure of Questions

Strategies to Be Employed

Solved Examples

Exercise 1

Exercise 2

Solutions

Recap

Psychometric Test