I have completed Master of Philosophy in
 Mathematics from Manonmaniam Sundaranar University, Tirunelveli.

Bhushna Sekar

This course discuss the basic introduction of number and few properties. We will also study few results  on GCD and LCM, divisibility tests, prime number testing, square and square roots, few results on summation and averages.

Prepare for CAT 2018 through free online videos on Quant, Verbal and DI/LR by learning from the best teachers. Pursue your dream of an MBA from IIM and Top B-schools with lessons from the CAT Toppers 

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English

Number Systems: CAT

Number System is a very crucial topic of Quantitative Aptitude for CAT exam. These numbers, whether real numbers or rational numbers are important for concept building. Learn Number System from the be

Number Systems

Quantitative aptitude section of CAT exam consists of 34 questions. Learn Quantitative Aptitude from the best teachers and pursue your dream of an MBA from IIMs, IIFT, FMS, MDI and NMIMS among others.

Basic Maths

Quantitative Aptitude

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Management & Foreign Studies

The lesson starts with classification of numbers and discussed the idea of GCD and LCM along with special type of numbers like Prime numbers, co-primes and composite numbers.  This lesson is the basic introduction of number systems.

Introduction to Numbers

Discussed the method to identify whether the given number is prime or not.  Explanation of a 3-step method to calculate the square root of any perfect square.

Prime Numbers and Square Roots

Ideas to calculate the approximated values of the square roots of the numbers which are not perfect squares and an introduction to the a list of divisibility tests of numbers.

Square Roots and Divisibility Tests

Discuss the divisibility tests of numbers less than 20 and few standard results based on divisibility of numbers.

Divisibility Tests

Some standard results based on divisibility, summation and averages of numbers.

Summations and Averages

In this lesson, we would discuss the multiplication of units digit of any number and will see the pattern of numbers when they are raised to a power.

Calculation of Unit Digit

In this lesson, we have shortlisted the unit digit of numbers raised to a power up to 4 and have tabulated the pattern to use to calculate the unit digit of number when it is raised to any power.

Calculation of Unit digit - Continued

Few examples are discussed with steps to calculate the unit digit of the given number of expression.

Calculation of Unit Digit - Examples

Discussion on how to find the number of factors of the given number.

Number of Factors

Discussion of calculating the number of factors using three examples.

Number of Factors - Examples

Discuss the idea on how to calculate the number of Zeros on the right end of the given expression.

Number of Zeros

Explanation to calculate the number of zeros of an expression with an example and also the method to calculate the number of zeros in the factorial of any number.

Number of Zeros - Continued

It gives you a idea on how to calculate the remainder for the given expression based on the concept of Binomial Theorem

Finding Remainder - Binomial Theorem

Idea to calculate the remainder of expression with  special four cases.

Finding Remainder

Idea of Order of operations for an expression and some standard result of Binomial Theorem are been covered in this lesson.

Standard Results of Binomial Theorem

Lokesh Agarwal

The Educator will try to cover all types of remainder theorem questions for CAT

Remainder Theorem: CAT

Graduated from Vellore Institute of Technology, Founder of a construction based start-up named UnEarthed

Tanish Khandelwal

This Course includes various concepts, some of which are-
1) Finding Out Unit Digit And Tens Digit of Expression
2) Base System
3) Remainder Theorem
4) Euler Theorem
5) Factors and Factorials.
All of these lessons are designed for CAT aspirants.

(Hindi) Basics of Number System for CAT Aspirants

2 times 99%iler in CAT-Author/SME of Oswaal Books for CAT(MATHS)/Maths faculty at SMI/ FOUNDER of You Tube channel for math's - LETS FIND X.

Nitesh Ranjan Kumar

in This Course, the Educator is Discussing All Type of Problems Related to Remainder, Remainder  Theorem Basic Approach to Solve Problem Related to Remainder.

(Hindi) Problems Based on Remainder - New Concept Never Used Before This Lesson for CAT

Peyush Gautam

You will learn to solve questions from quantitative aptitude section in an easy way with short tricks based on the concepts. This course will be helpful for aspirants of CAT, XAT and other management examinations.

(Hindi) Number System - Quantitative Aptitude for CAT

I have 8 years of teaching experience on APTITUDE & REASONING for different competitive Exam like SSC CAT BANKING RAILWAY.


Jogesh Kumar Pradhan

In this course we will discuss the basic concepts and approch on questions related to pipes and cisterns.

(Hindi) Pipes and Cisterns - CAT

I am a Physics Major and have a deep interest in Mathematics and Statistical analysis, Right now I am trying to help aspirants of CAT

Soumojit Goswami

In this course, the educator is discussing Techniques to Calculate effectively for CAT

Lessons

15 lessons • 2h 42m

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Introduction to Numbers

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Prime Numbers and Square Roots

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Square Roots and Divisibility Tests

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Divisibility Tests

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Summations and Averages

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Calculation of Unit Digit

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Calculation of Unit digit - Continued

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Calculation of Unit Digit - Examples

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Number of Factors

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Number of Factors - Examples

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