I am a Communication and Computer Engineer from LNMIIT. Currently, I am studying at MDI, Gurgaon ( Batch of 2020).

Meha Mittal

In this course, I will discuss shortcuts to calculate last digits, recurring decimals, HCF, LCM, number systems, Remainder theorem and Wilson's theorem.

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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Hindi

(Hindi) Numbers: 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

Course Overview

In this lesson, I have discussed the classification of numbers, prime numbers, perfect numbers and twin primes.

Classification of Numbers ( in Hindi)

In this lesson, I have discussed the shortcut to write a recurring decimal into fraction form, co primes .

Recurring Decimal Shortcuts (in Hindi)

In this lesson, I have discussed the divisibility tests of 7,8,19, 2^n along with some questions.

Divisibility Rules of 4, 7, 19, 8(in Hindi)

In this lesson, I have discussed how to find out the number of factors and number of ways to write a number as product of its factors.

Number of Factors, Product of Factors ( in Hindi )

In this lesson, I have discussed the sum and product of factors of a given number. I have then proceeded to discuss number of co-primes less than a given number.

Sum, Product of Factors(in Hindi)

In this lesson, I have discussed sum of co-primes. I have also discussed some questions from the previous topics for revision purposes.

Sum of Co-primes (in Hindi)

In this lesson, I have discussed the concept of index of greatest power. I have discussed various questions on the same . In the end, I have taken a question from previous topics for revision purpose.

Index of Greatest Power Part-1 (in Hindi)

In this lesson, I have discussed various properties of Index of greatest power and solved some questions on the same.

Index of Greatest Power Part-2 (in Hindi)

In this lesson, I have discussed two ways to find out the Highest Common Factor/ Greatest Common divisor.

H.C.F. (in Hindi)

In this lesson, I have discussed the ways of finding the LCM. I have discussed various questions on the same . In the end, I have taken a question from next lesson to give some preview of the upcoming discussion.

L.C.M(in Hindi)

In this lesson, I have discussed the LCM Model 1. I have discussed various questions on the same . In the end, I have taken a question from previous topics for revision purpose.

L.C.M. Model 1(in Hindi)

In this lesson, I have discussed negative remainders and LCM model 2 along with some interesting questions on the same.

L.C.M. Model 2 (in Hindi)

In this lesson, I have discussed LCM model 3, HCF models 1 and 2 which covers the cases of same and different remainders.

H.C.F Model 1,2 (in Hindi)

In this lesson, I have discussed the concept of successive division and solved a number of questions on the same.

Successive Division (in Hindi)

In this lesson, I have discussed the method to calculate last digit of any power. I have also discussed various shortcuts and cyclicities.

Last Digit Part- 1 (in Hindi)

In this lesson, I have discussed factor theorem, binomial expansion method to calculate last  2 digits of a power.

Last Digit Part-2 (in Hindi)

In thi lesson, I have discussed the shortest possible method for calculating the last 2 digits of a number with power where number ends with 1.

Last Digit Part-3 (in Hindi)

In this lesson, I have discussed results for numbers ending with 4, 24 and 5 with cases of even and odd powers.

Last Digit Part-4 (in Hindi)

In this lesson, I have discussed properties of remainder theorem and Euler's theorem.

Remainder, Euler theorem (in Hindi)

In this lesson, I have discussed the application of chinese remainder theorem.

Chinese Remainder Theorem (in Hindi)

In this lesson, I have discussed the Wilson's theorem and solved an important previous year CAT question using the concepts that have been covered till now.

Wilson's Theorem (in Hindi)

In this lesson, I have discussed Wilson's theorem.

Wilson's Theorem Part-2 (in Hindi)

In this lesson, I have discussed how to find remainders with 99, 101 and then given shortcuts for the same and generalised the results to various powers of 10.

Remainder with 99,101 (in Hindi)

In this lesson, I have discussed some important previous year questions and Fermat's Little Theorem.

Fermat's Little Theorem (in Hindi)

In this lesson, I have discussed some important questions from successive division and remainders.

Important Questions Part-1 (in Hindi)

In this lesson, I have discussed some important questions along with their solutions.

Important Questions Part 2 (in Hindi)

In this lesson I have discussed some applications of the shortcuts related to HCF and LCM.

Important Questions Part 3(in Hindi)

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

29 lessons • 3h 39m

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Course Overview

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Classification of Numbers ( in Hindi)

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Recurring Decimal Shortcuts (in Hindi)

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Divisibility Rules of 4, 7, 19, 8(in Hindi)

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Number of Factors, Product of Factors ( in Hindi )

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Sum, Product of Factors(in Hindi)

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Sum of Co-primes (in Hindi)

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Index of Greatest Power Part-1 (in Hindi)

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Index of Greatest Power Part-2 (in Hindi)

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H.C.F. (in Hindi)

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