Preview Quick Mental Math Tricks & Shortcuts for Competitive Exams

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Section 1: Introduction

Introduction

Quick Guide

Section 2: Algebra Short Tricks

Lecture 1 Short tricks for multiple choice questions 1

Short tricks for multiple choice questions 1

Lecture 2 Short tricks for multiple choice questions 2

Short tricks for multiple choice questions 2

Lecture 3 Short tricks for multiple choice questions 3

Short tricks for multiple choice questions 3

Lecture 4 Some Important Short Tricks 1

Some Important Short Tricks 1

Lecture 5 Some Important Short Tricks 2

Some Important Short Tricks 2

Lecture 6 Quadratic equations short tricks 1

Quadratic equations short tricks 1

Lecture 7 Quadratic equations short tricks 2

Quadratic equations short tricks 2

Lecture 8 Quadratic equations short tricks 3

Quadratic equations short tricks 3

Lecture 9 Algebra Practice test 1

Lecture 10 Solutions of Algebra Practice Test Part 1

Lecture 12 Solutions of Algebra Practice Test Part 2

Resource 1

Resource 2

Resource 3

Section 3: Logarithms

Lecture 1 What is Logarithms

Lecture 2 Laws of Logarithms

Lecture 3 Practice Problems on Logarithms – 1

Lecture 4 Practice Problems on Logarithms – 2

Lecture 5 Practice Problems on Logarithms – 3

Lecture 6 CAT-Past Paper Problems on Logarithms – 1

Lecture 7 CAT-Past Paper Problems on Logarithms - 2

Resource 1 Logrithms assignment 1

Resource 2Logrithms assignment 2

Resource 3 Logrithms assignment 3

Section 4: Geometry

Lecture 1 Lines and Angles (Basics)

Lecture 2 Parallel lines (Basics)

Lecture 3 Practice Problems 1 (Lines and Angles)

Lecture 4 Triangles (Basics)

Lecture 5 Practice Problems 2 (angle sum and exterior angle Property)

Lecture 6 Pythagoras Theorem

Lecture 7 Inequalities in Triangles

Lecture 8 Sine and Cosine Rule

Lecture 9 Median, Altitude, Angle bisector

Lecture 10 Practice Problems 3

Lecture 11 Properties of Medians

Lecture 12 Practice Problems 4

Lecture 13 Properties of Equilateral Triangles

Lecture 14 Some special Quadrilaterals

Lecture 15 Polygons-interior angles, diagonals etc.

Lecture 16 Angle Bisector Theorem

Lecture 17 Congruent Triangles

Lecture 18 Similar Triangles

Lecture 19 Practice Problems 5

Lecture 20 Circle

Lecture 21 Cyclic Quadrilateral & Tangent to circle

Section 5: Areas

Lecture 1 Areas of Parallelogram & Triangle 1

Lecture 2 Areas of Parallelogram & Triangle 2

Lecture 3 Practice Problems based on Areas 1

Lecture 4 Practice Problems based on Areas 2

Section 6: Mensuration of 2 dimensional Figures

Lecture 1 Mensuration Formulae

Lecture 2 Practice problems on 2-d figures

Lecture 3 Assignment (Video) on 2 – d figure

Lecture 4 Areas related to the circle

Lecture 5 Practice questions on areas related to circle

Section 7: Practice Test (Check your knowledge of Geometry)

7 section 7 Practice Test (Check your knowledge of Geometry)

Section 8: Concept of Unit Digit

Lecture 1 What is Unit Digit

Lecture 2 How to find unit digit of numbers with exponents

Lecture 3 Practice Problems based on Unit Digit

Resource 1What is unit digit

Resource 2 How to find unit digit

Resource 3 Assignment on Unit Digit

Section 9: Simplification Problems-1

Lecture 1 Simplifications based on Percentages

Lecture 2 Simplification based on Exponents

Lecture 3 Fastest method of finding square roots

Lecture 4 Fastest method of finding cube roots

Lecture 5 Simplification based on square and cube roots

Resourse 1 How to find square root

Resourse 2 assignment 1

Resourse 3 How to find cube root

Resourse 4 assignment 2

Resourse 5 assignment 3

Resourse 6 assignment 4

Resourse 7 assignment 5

Section 10: Crack Simplification problems-2

Lecture 1 Simplification problems Type 1

Lecture 2 Simplification problems Type 2

Lecture 3 Simplification problems Type 3

Lecture 4 Simplification problems Type 4

Lecture 5 Finding smallest and greatest from difficult exponents

Resource 1 Important formulas with simplification 2

Section 11: Digital sum

Lecture 1 What is Digital sum

Lecture 2 How to apply Digital sum technique in different operations

Lecture 3 Simplification problems using Digital sum -1

Lecture 4 Simplification problems using Digital sum -2

Resorce 1 How to find digital sum

Resourse 2 Assignment for Digital sum technique

Section 12: Time and Work

Lecture 1 Short cut formulas and LCM method

Lecture 2 Problems based on two Persons

Lecture 3 Problems based on by three Persons

Lecture 4 Efficiency or rate of work

Lecture 5 Practice Problems (Efficiency)

Lecture 6 Skilled Problems on Efficiency

Lecture 7 Work given in the form of fraction (Basics)

Lecture 8 Practice Problems (Work given in the form of fraction)

Lecture 9 Leaving and Joining of persons - 1

Lecture 10 Leaving and Joining of persons – 2

Lecture 11 Problems involving Men, Women and Boys-1

Lecture 12 Problems involving Men, Women and Boys-2

Lecture 13 Problems involving Men, Women and Boys-2

Lecture 14 Work and wages

Lecture 15 Special Case

Section 13: Pipes and Cisterns

Lecture 1 Basics of Pipes and Cistern

Lecture 2 Pipes and Cistern Type -1

Lecture 3 Pipes and Cistern Type -2

Lecture 4 Pipes and Cistern Type -3

Lecture 5 Pipes and Cistern Type -4

Lecture 6 Pipes and Cistern Type -5

Section 14: Speed, Distance and Time

Lecture 1 Basic Concepts and simple problems

Lecture 2 Problems based on average speed

Lecture 3 Problems of finding Distance

Lecture 4 Practice Problems 1

Lecture 5 Practice Problems 2

Lecture 6 Practice Problems 3

Resource 1 Basics and List of Formulas

Resource 2 Practice Problems – 1

Resource 3 Practice Problems – 2

Resource 4 Practice Problems – 3

Resource 5 Practice Problems – 4

Resource 6 Practice Problems – 5

Section 15: Boats and Streams

Lecture 1 Basics of Boats and streams

Lecture 2 Finding speed of boat or stream

Lecture 4 Problems based on finding Distance

Lecture 5 Latest Problems on Boat and cisterns

Resource 1 (only Basics of boats and cistern)

Resource 2 Assignment 1 on Basics

Resource 3 Assignment 2

Resource 4 Assignment 3

Section 16: Percentage

Lecture 1 Mental Calculations of Percentages Part 1

Lecture 2 Mental Calculations of Percentages Part 2

Lecture 3 Mental Calculations of Percentages Part 3

Lecture 4 Fractional Values of Percentages

Lecture 5 Simplification using fractional values of Percentages-1

Lecture 6 Simplification problems of Percentage 2

Resource 1(Basics-1)

Resource 2(Basics-2)

Resource 3Fractional values of Percentages

Resource 4(assinment)

Section 17: Word Problems

Lecture 1 Problems based on Marks in examination

Lecture 2 Problems based on Price and Quantity 1

Lecture 3 Problems based on Price and Quantity 2

Lecture 4 Word problems based on Income

Resource 1 (List of Formulas)

Resource 2 (Assignment 1) Word Problems on Marks

Resource 3 (Assignment 2) Word Problems on Price & Quantity 1

Resource 4 (Assignment 3) Word Problems on Income more or less

Section 18: Revision of Basics and formulas of Trigonometry

Lecture 1 Trigonometry (Review of Concepts)

Lecture 2 Practice Questions on Degrees, radians and grades

Lecture 3 SOH CAH TOA

Lecture 4 Unit Circle

Lecture 5 How to use Unit circle to find T-Ratios

Lecture 6Trigonometry ratios (basics)

Lecture 7 Value of Trig ratios of any given angle -1

Lecture 8 Value of Trig ratios of any given angle -2

Lecture 9 Sum and Difference Formulas

Lecture 10 T-ratios of Multiple angles

Lecture 11 Trigonometric Equations

Lecture 12 Trigonometry (Solution of Triangles)

Resource 1

Resource 2

Resource 3

Resource 4

Resource 5

Resource 6

Resource 7

Section 19: Trigonometry shortcuts

Lecture 1 Height & Distance Fastest methods-1

Lecture 2 Height & Distance Fastest methods-2

Lecture 3 Height & Distance Fastest methods-3

Lecture 4 Shortcuts for Maximum & Minimum of Trig Ratios -1

Lecture 5 Shortcuts for Maximum & Minimum of Trig Ratios -2

Lecture 6 Shortcuts for Maximum & Minimum of Trig Ratios -3

Lecture 7 Shortcuts for Trigonometry problems-1

Lecture 8 Shortcuts for Trigonometry problems-2

Lecture 9 Shortcuts based on Pythagorean triplets-1

Lecture 10 shortcuts based on Pythagorean triplets-2

Lecture 11 Shortcuts based on Pythagorean triplets-3

Lecture 12 Past paper problems of CAT - 1

Lecture 13 Past paper problems of CAT - 2

Lecture 14 Past paper problems of CAT - 3

Lecture 15 Past paper problems of CAT - 4

Resource 1 Assignment 1(practice)

Resource 2 Assignment 2(Practice)

Resource 3 Assignment 3(practice)

Resource 4 Assignment 4 (Heights and Distance)

Resource 5 Assignment on maximum and minimum values

Resource 6 Assignment 5 (Practice)

Resource 7 CAT level TRIG Problems

Resource 8 Assignment 7 (practice)

Preview - Quick Mental Math Tricks & Shortcuts for Competitive Exams