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Ruchi Chhabra

This course is carefully designed to prepare students for the ‘Quantitative aptitude’ section of the competitive exams. It has around 2000+ solved questions and I constantly upgrade the course to ensure it is in line with the current year exams.

It has 140 lectures spanning 18+ hours of on-demand videos that are divided into 21 sections. Each topic is explained extensively - by solving multiple questions along with the student during the lectures. The students are also provided and encouraged to solve practice questions & quizzes provided at the end of each topic.

Topics covered in the course:

Read more

This course is carefully designed to prepare students for the ‘Quantitative aptitude’ section of the competitive exams. It has around 2000+ solved questions and I constantly upgrade the course to ensure it is in line with the current year exams.

It has 140 lectures spanning 18+ hours of on-demand videos that are divided into 21 sections. Each topic is explained extensively - by solving multiple questions along with the student during the lectures. The students are also provided and encouraged to solve practice questions & quizzes provided at the end of each topic.

Topics covered in the course:

Algebra Short Tricks

1.30 hr. section of Algebra short tricks requires very little knowledge of the actual methods of solving. Very fast techniques to solve Sequence and Series, Quadratic equations, reducible to quadratic equations, problems involving α & β, real-life word problems based on linear and quadratic equations, Linear Equations & Polynomials.

Logarithms

Nearly 1hr. section of Logarithm short tricks explaining Logarithms and its Laws in detail. Three lectures on the application of short techniques to crack the problems in the first attempt. The last two lectures of this section are based on past paper Problems from the CAT exam.

Geometry

Revision of complete Geometry concepts with all the Formulas, Definitions, Notes, Theorem, Facts & Tricks. Topics covered are Lines and Angles, Parallel lines, Triangles, Pythagoras Theorm, Inequalities of Triangles, Sine and Cosine Rule, Median, Altitude, Angle bisector, properties of Equilateral & Isosceles Triangles, all types of Quadrilaterals, Polygons- interior angles & number of diagonals, Angle Bisector Theorem, Congruent & Similar Triangles, Circle, Cyclic Quadrilateral, Tangents to circle, Areas between two parallel lines, etc.

Trigonometry shortcuts

Nearly 3 hours of the topic, divided into 2 sections. First Section is based on Revision of Complete Basics and Formulas of Trigonometry, explained with the help of examples. In the second section, you can learn the fastest techniques of solving Trigonometry problems based on Identities, Height & Distance, Geometry & Solution of Triangles without the help of too high knowledge of Trigonometry.

Basic Topics of Middle & High School

You will find separate sections and step by step explanations of short techniques & logical methods to handle highly Skilled Problems based on Time and Work; Pipes and Cistern; Speed, Distance and Time; Work and wages; Percentage; Profit & loss; Discount; Tax and faulty dealer; Boats and streams and many more…

Simplification Problems

Short tricks to find solutions of Simplification problems based on Percentages, Fractions, Square roots, Cube roots, Tricky fractions, and Successive square roots, etc. in seconds.

Finding Unit digits

Finding Unit digits of tough exponents numbers and calculations.

Simplification by Digital Sum Techniques of Vedic Maths

Very Fast technique of finding correct answers out of multiple-choice questions of heavy calculations without actually calculating.

Here's what some students say about the course:

  • "Great content, excellent teaching style" - Sumita Bhattacharya

  • "Very Easy to learn and apply in interview questions... Thank you so much" - Yabaze T

  • "Helpful and straight to the point. The approach adopts by Ms. Ruchi is awesome and understandable. She helped me a lot to understand the problem in-depth and then how to apply tricks and shortcut to solve or get an answer in a short time" - Khan Qamar

With this course you'll also get:

  • Full lifetime access to the course

  • Complete support for any question, clarification or difficulty you might face on the topic

  • Udemy Certificate of Completion available for download

  • 30-day money back guarantee

Feel free to contact me for any questions or clarifications you might have.

I look forward to seeing you in the course. :)

Enroll now

What's inside

Learning objectives

  • Trigonometry with fast and short tricks
  • Plane geometry concepts (lines, angles, polygons, triangles, quadrilateral, circles)
  • Algebra (including sequence & series, quadratic equations)
  • Complex fractions, square roots, cube roots, exponents
  • Finding unit digit of very complex exponent problems
  • Fastest techniques to solve mensuration of 2-dimensional geometry (including area related to circles)
  • Short tricks for time & work, pipes & cisterns, speed & distance, boats & streams, person & wages, leaving & joining of persons, average speed etc.
  • Digital sum techniques of vedic math
  • Short tricks for percentages

Syllabus

Introduction
About Course
Introduction - Important Instructions
Algebra Short Tricks
Read more
How to Practice Algebra from this section?
Short tricks for multiple choice questions 1
Short tricks for multiple choice questions 2
Short Tricks for multiple choice questions 2
Short tricks for multiple choice questions 3
Short tricks for multiple choice question 3
Some Important Short Tricks 1
Some Important short tricks 1
Some Important Short Tricks 2
Quadratic equations Short tricks 1
Quadratic equations Short tricks 2
Quadratic equations short tricks 2
Quadratic equations Short tricks 3
Quadratic equations short tricks 3
Algebra Practice test 1
Solutions of Algebra Practice Test Part 1
Solutions of Algebra Practice Test Part 2
Logarithms
Resources and Assignments on Logarithms
What is Logarithms?
Through this section you will be able to revise concepts of geometry and will be able to solve geometry problems from quant's section with in few seconds
Laws of Logarithms
Practice Problems on Logarithms - 1
Practice Problems on Logarithms - 2
Practice Problems on Logarithms - 3
CAT-Past Paper Problems on Logarithms - 1
CAT-Past Paper Problems on Logarithms - 2
Lines and Angles (Basics)
Lines & Angles
Parallel lines (Basics)
Practice Problems 1 (Lines and Angles)
Triangles (Basics)
Practice Problems 2 (angle sum and exterior angle Property)
Pythagoras Theorem
Inequalities in Triangles
Sine and Cosine Rule
Median , Altitude, Angle bisector
Practice Problems 3
Properties of Medians
Practice Problems 4
Properties of Equilateral Triangles
Some special Quadrilaterals
Polygons-interior angles, diagonals etc
Angle Bisector Theorem
Congruent Triangles
Similar Triangle
Practice problems 5
Circle
Cyclic Quadrilateral & Tangent to circle
Here you will learn different formulas, facts about area of Parallelogram and Triangles.
Areas of parallelogram & Triangles 1
Areas of parallelogram & Triangles 2
Practice Problems based on Areas 1
Practice Problems based on Areas 2
Mensuration of 2 dimensional figures
Mensuration Formulae
Practice problems on 2-d figures
Assignment (Video) on 2-d figures
Areas related to circle
Practice questions on area related to circle
Practice Test (Check your knowledge of Geometry after preparation )

This test is to check your knowledge on Geometry. Questions are neither easy nor hard.

Each question is of 4 marks. Total marks 40.

Marks below 14 --- needs to prepare geometry once again.

Marks 14 to 23 ---- Geometry knowledge is 50%. Try to check the topics where you need to concentrate more.

Marks 23 to 33 ---- Good knowledge but still needs to work on a few topics.

Marks above 33 --- Good Preparation.

In this section you will learn to how to find unit digit of numbers with large exponents and different calculations.
What is Unit Digit ?
How to find unit digit of numbers with exponents ?
Practice Problems based on Unit Digit
Students will be able to simplify problems based on square roots , cube roots , percentage and exponents with in a few seconds without pen and paper.
Simplifications based on Percentages
Simplification based on Exponents
Fastest method of finding square roots
Fastest method of finding cube roots
Simplification based on square and cube roots
Simplification Problems
In this section you will learn short cuts for different types of simplification problems
Simplification problems Type 1
Simplification problems Type 2 (Complex Fractions)
Simplification problems Type 3
Simplification problems Type 4
Finding smallest and greatest from difficult exponents
You will learn to simplify problems of addition, subtractions,multiplication , division and percentages using Digital sum technique of Vedic Math .It will help you to find right option in few seconds
What is digital sum of a number?
Application of digital sum in addition & subtraction
Application of digital sum in multiplication
Application of digital sum in Division
Time and Work
Resources download and how to prepare the topic
Problems based on persons, days , work and hours
Short cut formulas for most common problems
Problems based on Two Persons
Problems based on three Persons
Based on Efficiency

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Offers a large number of solved questions, which can provide extensive practice for students preparing for quantitative aptitude sections
Includes digital sum techniques of Vedic Math, which can offer alternative approaches to problem-solving for those familiar with or interested in Vedic mathematics
Covers a wide range of topics, including algebra, logarithms, geometry, trigonometry, and arithmetic, which are commonly tested in competitive exams
Focuses on short tricks and fast techniques, which can be valuable for students aiming to improve their speed and accuracy in quantitative aptitude sections
Includes past paper problems from the CAT exam in the Logarithms section, which can provide targeted practice for students preparing for this specific exam
Requires learners to have some familiarity with mathematical concepts, which may not be suitable for absolute beginners without any prior knowledge

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Quick Mental Math Tricks & Shortcuts for Competitive Exams with these activities:
Review Basic Algebra Concepts
Strengthen your understanding of fundamental algebraic principles. This will provide a solid foundation for the algebra shortcuts and techniques taught in the course.
Browse courses on Algebra
Show steps
  • Review definitions of variables, constants, and expressions.
  • Practice solving linear and quadratic equations.
  • Work through example problems involving polynomials.
Brush Up on Geometry Fundamentals
Revisit core geometry concepts to prepare for the geometry section of the course. A strong grasp of these fundamentals will make learning the shortcuts easier.
Browse courses on Geometry
Show steps
  • Review angle relationships and properties of parallel lines.
  • Practice calculating areas and perimeters of basic shapes.
  • Study the properties of triangles and quadrilaterals.
Review 'Secrets of Mental Math'
Explore mental math techniques to enhance your calculation speed and accuracy. This book complements the course by providing a broader perspective on mental math strategies.
View Melania on Amazon
Show steps
  • Read the chapters related to addition, subtraction, multiplication, and division.
  • Practice the techniques described in the book with example problems.
  • Compare the book's techniques with the course's shortcuts.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Practice Unit Digit Calculations
Sharpen your skills in finding unit digits of complex exponents. This activity reinforces a specific technique taught in the course through repetitive practice.
Show steps
  • Generate random numbers with exponents.
  • Calculate the unit digit using the taught shortcuts.
  • Verify your answers with a calculator.
Create a Cheat Sheet of Formulas
Compile a concise reference guide of all the formulas and shortcuts covered in the course. This will aid in quick recall during problem-solving.
Show steps
  • Review all the course materials and identify key formulas.
  • Organize the formulas by topic (algebra, geometry, etc.).
  • Create a visually appealing and easy-to-read cheat sheet.
Review 'Vedic Mathematics'
Delve into Vedic Mathematics to discover alternative calculation methods. This book expands on the digital sum technique and provides a broader context for mental math.
Show steps
  • Read the sections related to digital sums and other Vedic techniques.
  • Practice applying the Vedic techniques to example problems.
  • Compare the Vedic techniques with the course's shortcuts.
Develop a Mental Math App
Create a simple application that tests your mental math skills. This project will solidify your understanding of the shortcuts and techniques learned in the course.
Show steps
  • Design the app's interface and functionality.
  • Implement the mental math algorithms using the course's shortcuts.
  • Test the app thoroughly and refine its performance.

Career center

Learners who complete Quick Mental Math Tricks & Shortcuts for Competitive Exams will develop knowledge and skills that may be useful to these careers:
Actuary
An actuary assesses financial risks and uncertainties using mathematical models, often in the insurance and finance industries. This role demands a strong grasp of quantitative concepts. This course will help you prepare for actuarial examinations by developing skills in algebra, trigonometry and geometry, which are used to model risks. The course's focus on speed and accuracy in calculations is crucial, and someone pursing this career should take this course in particular to be prepared for the quantitative nature of the work.
Quantitative Analyst
A quantitative analyst uses mathematical and statistical methods to assess and manage financial risk, develop trading strategies, and create financial models. This course is helpful because understanding quantitative aptitude, as taught in the course, builds a strong foundation in the mathematical thinking necessary for this role. The course's deep dive into shortcuts for algebra, geometry, and trigonometry can be directly applied to model building, data analysis, and financial calculations. This course in particular helps hone the speed and accuracy needed for quantitative analysis.
Investment Banking Analyst
An investment banking analyst helps companies raise capital and executes financial transactions. This role requires a strong capacity for quantitative analysis. This course is useful because it helps build the mathematical skills necessary to perform financial modeling and analysis. The course’s specific focus on time-saving techniques for solving complex calculations related to percentages and fractions equips investment banking analysts with tools for speed and accuracy. Anyone entering the field of investment banking can use this course to improve their quantitative aptitude.
Financial Analyst
A financial analyst evaluates financial data, prepares reports, and advises businesses on investment strategies, requiring them to possess strong quantitative skills. This course helps build the mathematical aptitude necessary for analyzing financial statements and creating financial models. The course's focus on time-saving techniques for complex calculations in algebra, percentages, and simplification problems, equips a financial analyst with tools for efficient and accurate analysis. Someone looking for a career as a financial analyst should take this course for its deep instruction in quantitative aptitude.
Data Analyst
Data analysts interpret data, identify trends, and provide insights. This role requires a foundational understanding of mathematics. This course can be helpful because the course’s focus on simplification, percentages, and digital sum techniques of Vedic math equips data analysts with the skills necessary to manipulate and analyze numerical data efficiently. A person interested in a career path as data analyst may benefit greatly from this focus this course gives to quantitative aptitude.
Budget Analyst
A budget analyst develops and manages budgets, requiring mathematical aptitude for financial planning. This course may be helpful because the course's instruction on percentages, simplification, and other mathematical techniques will help budget analysts to be effective in their work. The course’s emphasis on speed and accuracy with complex calculations may be particularly useful to budget analysts. This course can be used to help a person become an effective budget analyst.
Pricing Analyst
A pricing analyst sets prices for goods and services based on market research and data analysis. This role requires mathematical skills for analyzing data. This course may be useful because it provides a foundation in mathematical and quantitative reasoning, especially in percentages and simplification. A person in this role may benefit from the course's training in speed and accuracy to make informed pricing decisions.
Risk Analyst
A risk analyst identifies and evaluates risks to an organization, often using quantitative analysis, and so they often have an advanced degree. This course may be useful because the course’s instruction in algebra, geometry, and trigonometry will be useful to build models that assess risks. The focus that is given to calculation speed and accuracy will help risk analysts to be effective in their work. Someone seeking this career can use this course to advance the quantitative aspects of their work.
Operations Research Analyst
An operations research analyst uses mathematical and analytical methods to help organizations make better decisions. This role typically requires advanced skills in quantitative reasoning. This course may be useful because the course provides practice in the kind of analytical and mathematical thinking needed for optimization problems. The course’s focus on time-saving techniques for problems involving time, work, and speed may be useful, and those considering this field may take this course to improve the accuracy of their analysis.
Business Analyst
Business analysts improve processes and products by analyzing data and recommending solutions. This role requires a capacity for quantitative analysis. This course will be helpful because the course's teaching of algebra, trigonometry and geometry helps build a strong framework for quantitative problem solving. The course’s attention to time-saving techniques for complex calculations, as well as the application of digital sum techniques, can improve speed and accuracy. A business analyst can use this course to improve their quantitative analysis.
Management Consultant
A management consultant advises organizations on how to improve performance and achieve their objectives. This role requires a capacity for quantitative analysis. This course may be helpful because the course’s attention to detail in solving mathematical problems can help build the kind of thinking that can lead to strategic solutions. The course's emphasis on time-saving techniques can be useful in a fast-paced environment. Someone entering this field may find great use in this course.
Market Research Analyst
Market research analysts study market conditions, consumer behavior, and competitor activities. This role requires a solid foundation in mathematics. This course may be useful because the course's teaching of percentages, simplification, and other mathematical concepts are useful for analyzing market trends and survey results. A person in this career may utilize the course's instruction in quantitative aptitude to enhance their analysis of market data.
Research Associate
A research associate helps conduct studies by collecting data and analyzing results. This role requires a capacity for quantitative analysis. This course may be helpful because the course provides a foundation in the mathematical skills required for collecting and interpreting numerical data, as well as solving mathematical problems. This course might be helpful to a research associate seeking to improve their analysis. The course’s training in short cut techniques and digital sum techniques may be particularly useful.
Statistician
A statistician develops and applies statistical theories and methods. This often requires a master's or doctorate degree. This course may be helpful because the course’s quantitative foundations, including algebra, geometry, trigonometry, and simplification techniques provide a base for statistical reasoning and mathematical operations. Those who are interested in this role may find this course as a useful entry point into the quantitative demands of the field.
Accountant
An accountant prepares financial records, manages financial transactions, and ensures businesses adhere to financial laws and regulations. An accountant needs a solid understanding of mathematics. This course may be helpful because the course’s teaching of percentages, fractions, and simplification will be useful in managing and analyzing financial data. An accountant can use the course to improve their mathematical analysis.

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Quick Mental Math Tricks & Shortcuts for Competitive Exams.
Explores the ancient Indian system of Vedic Mathematics. It offers a range of mental calculation techniques and shortcuts. It provides a deeper understanding of the principles behind the digital sum technique taught in the course. This book is more valuable as additional reading than as a current reference.

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