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Teaching & Academics Test Prep Mental Math

Quick Mental Math Tricks & Shortcuts for Competitive Exams

Fast techniques to handle the challenging Quantitative Aptitude section of competitive exams in non-traditional ways
Rating: 4.2 out of 54.2 (84 ratings)
1,449 students
Created by Ruchi Chhabra
Last updated 11/2020
English
English [Auto]
30-Day Money-Back Guarantee

What you'll learn

  • 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 and logical methods for Time & Work, Pipes & Cisterns, Speed & Distance, Boats & Streams, Person & Wages, Leaving & Joining of Persons, Average Speed, Commercial Math problems etc.
  • Digital Sum Techniques of Vedic Math
  • Short tricks for Percentages

Requirements

  • Basic knowledge of middle school pre-Algebra and Algebra topics

Description

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! :)

Who this course is for:

  • Those preparing for Math Olympiad, GMAT, GRE, CAT, MAT, SAT, Banking exams and any other Math competitive exam
  • Anyone who wants to learn short tricks to crack challenging problems in a target time

Course content

20 sections • 140 lectures • 18h 48m total length

  • Preview01:24

  • How to Practice Algebra from this section?
    01:08
  • Preview16:04
  • Short tricks for multiple choice questions 1
    6 questions
  • Short tricks for multiple choice questions 2
    06:36
  • Short Tricks for multiple choice questions 2
    3 questions
  • Short tricks for multiple choice questions 3
    08:42
  • Short tricks for multiple choice question 3
    4 questions
  • Some Important Short Tricks 1
    08:57
  • Some Important short tricks 1
    11 questions
  • Some Important Short Tricks 2
    15:51
  • Some Important Short Tricks 2
    8 questions
  • Quadratic equations Short tricks 1
    11:48
  • Quadratic equations Short tricks 1
    3 questions
  • Quadratic equations Short tricks 2
    10:30
  • Quadratic equations short tricks 2
    3 questions
  • Quadratic equations Short tricks 3
    10:26
  • Quadratic equations short tricks 3
    3 questions
  • Algebra Practice test 1
    01:20
  • Solutions of Algebra Practice Test Part 1
    09:44
  • Solutions of Algebra Practice Test Part 2
    10:05

  • Resources and Assignments on Logarithms
    00:33
  • What is Logarithms?
    09:35
  • What is Logarithms?
    5 questions
  • Laws of Logarithms
    13:35
  • Practice Problems on Logarithms - 1
    08:48
  • Practice Problems on Logarithms - 2
    12:49
  • Practice Problems on Logarithms - 3
    11:20
  • CAT-Past Paper Problems on Logarithms - 1
    08:57
  • CAT-Past Paper Problems on Logarithms - 2
    12:29
  • Logarithms
    5 questions

  • Preview07:27
  • Lines & Angles
    2 questions
  • Parallel lines (Basics)
    06:32
  • Practice Problems 1 (Lines and Angles)
    05:58
  • Triangles (Basics)
    10:59
  • Practice Problems 2 (angle sum and exterior angle Property)
    10:55
  • Pythagoras Theorem
    13:19
  • Inequalities in Triangles
    06:18
  • Sine and Cosine Rule
    12:59
  • Median , Altitude, Angle bisector
    06:34
  • Practice Problems 3
    11:34
  • Properties of Medians
    09:48
  • Practice Problems 4
    06:33
  • Properties of Equilateral Triangles
    03:55
  • Some special Quadrilaterals
    04:06
  • Polygons-interior angles, diagonals etc
    08:00
  • Angle Bisector Theorem
    07:00
  • Congruent Triangles
    05:55
  • Similar Triangle
    14:14
  • Practice problems 5
    10:31
  • Circle
    10:23
  • Cyclic Quadrilateral & Tangent to circle
    08:23

  • Areas of parallelogram & Triangles 1
    11:29
  • Areas of parallelogram & Triangles 2
    10:09
  • Practice Problems based on Areas 1
    05:07
  • Practice Problems based on Areas 2
    12:01

  • Mensuration Formulae
    06:35
  • Practice problems on 2-d figures
    10:34
  • Assignment (Video) on 2-d figures
    01:42
  • Areas related to circle
    05:24
  • Practice questions on area related to circle
    10:14

  • Test ( Geometry)
    10 questions

  • What is Unit Digit ?
    03:57
  • How to find unit digit of numbers with exponents ?
    09:36
  • Practice Problems based on Unit Digit
    08:08

  • Simplifications based on Percentages
    11:23
  • Simplification based on Exponents
    11:53
  • Fastest method of finding square roots
    12:28
  • Fastest method of finding cube roots
    03:24
  • Simplification based on square and cube roots
    16:02
  • Simplification Problems
    00:39

  • Simplification problems Type 1
    08:23
  • Simplification problems Type 2 (Complex Fractions)
    07:31
  • Simplification problems Type 3
    07:31
  • Simplification problems Type 4
    07:07
  • Finding smallest and greatest from difficult exponents
    08:07

Instructor

Ruchi Chhabra
Math Instructor
Ruchi Chhabra
  • 4.4 Instructor Rating
  • 657 Reviews
  • 13,188 Students
  • 10 Courses

Post Graduation in Applied Mathematics, Delhi University

Graduation in Mathematics Honours, Lady Shri Ram College, Delhi University

20+ years of experience in teaching Mathematics. A strong record of countless students who have scored 90% and above in the subject and many who have scored 100%.

Have taught students from classes 9th to 12th (CBSE, IGCSE, ICSE boards), competitive exams like GMAT, CAT, SAT, GRE, CPT, CLAT, NTSE, Maths Olympiad and students preparing for the entrance exams of reputed schools like Mayo, Rishi Valley, Bishop Cotton, DPS, Birla etc.





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