My name is RAJESH KUMAR DHIMAN , I am from Himachal Pradesh, I'm a teacher of Mathematics by profession since 1998 & I do have math website

Rajesh Kumar Dhiman

Now a days there are many competitive  exams  in which many  questions from number system are asked. We shall learn  about number system,  finding unit place of product of many numbers  and checking divisibility of large number.

A thorough analysis of questions, book lists, planner, and much more: everything you need to know about SSC CGL, SSC CHSL and CPO examinations.

SSC Exams (Non Technical)/ Railway Exams

Hindi

(Hindi) Number Systems for SSC Exams

Number System

Basic Maths

Quantitative Aptitude

Bank, SSC & Railway Exams

Ace the toughest competitive and government exams in India 

Test Preparation

How to check the unit place of any number whose power is large with the help of shortcut method.

Unit Place Calculation for Large Numbers Part 1 (in Hindi)

In this lesson  I have shown some examples of finding unit place for sum and product of numbers

Examples of Unit Place Calculation Part 2 (in Hindi)

In this lesson I have discussed  shortcuts for checking divisibility of large number by 2,3,4 and 5 with the help of an examples

Divisibility Rule for Large Number by 2, 3, 4 and 5 (in Hindi)

How to find numbers of Zeroes after multiplication of 1st n numbers.

Number of Zeroes after Multiplication of many Numbers (in Hindi)

How to check divisibility of big number with 6,8,9,10,11 and 12

Divisibility Rule for Large Number by 6, 7, 8, 9, 10 (in Hindi)

In this lesson we shall learn how to find remainder after division without actual division using shortcut

Shortcut of Finding Remainder after Division (in Hindi)

Discussed in this lesson how to count total number of prime factors in product of numbers

Counting of Prime Factors in number system

In this lesson I have shown how to add 1st 100 numbers or 1st 1000 numbers with the help of an examples

Please read 1275 instead of 12750 and 499,225 instead of 487750   in the answer

Sum of numbers between 101 and 1000 and between 500 and 1000 part 1

In this lesson I have discussed how to get the sum of squares of 1st n natural numbers with the help of an examples

Finding sum of squares of 1st 50 natural numbers,sum of squares of numbers between 51 to 100 part 2

In this lesson I have shown a shortcut method  to add cube of 1st 50  numbers with the help of an examples

Sum of cubes of 1st "n" natural numbers, sum of cubes of numbers between 15 and 50 part 3

In this lesson we shall learn to prove some of the most important formulas

Proof of most important formulas part 1

In this lesson we shall learn to prove 4 most important formulas of Algebra in Mathematics

Proof of most important Formula in Algebra part2

Discussed in this lesson how to find Sum of all the 1st odd, even or multiple numbers

Sum of all the even or odd numbers in number system part 4

How to simplify numbers in the squares root whose factors are differentiated by 1

Simplification in number system part 1

How to simplify numbers in the squares root whose factors are not  differentiated by 1

Simplification in number system part 2

Simplification in number system part 3

Discussed in this lesson how to simplify continued Fraction in number system

Solving continued Fraction in number system

Discussed in this lesson how to simplify the product of many numbers

Multiplication of multilpe numbers by short cuts

Discussed in this lesson how to simplify the product in number system

Simplification for infinite square root of same number

Discussed in this lesson how to find the sum of many fractions in quick time  in number system

ADDITION OF NUMBERS IN NUMBER SYSTEM USING SHORTCUTS

Discussed in this lesson what are natural numbers, whole numbers ,integers  , rational  numbers,  irrational numbers , real numbers and prime numbers

Different types of Numbers in number system

Discussed most important Questions and answers in prime numbers under number system

Introduction to Prime numbers and problems related to prime numbers

Most important and exam oriented  questions of prime numbers are included and explained in detailed and in shortcut methods.

Prime numbers and problems rated to prime numbers in number system

Simplification using simple and fast tricks in number system;  which are  very very time shaving in competitive exams

Simplest and fastest Calculation tricks for big problems

In this lesson I have shown how to write  given fractions  in ascending or descending order / increasing or decreasing  order.

Arranging numbers in ascending or descending order part 1

In this lesson I have shown how to write  given numbers   in ascending or descending order / increasing or decreasing  order.

Arranging numbers in ascending or descending order part 2

In this lesson I have shown how to write  given surds   in ascending or descending order / increasing or decreasing  order with the help of some  examples

Arranging surds in Ascending or descending order part 3

Arranging surds in Ascending or descending order part 4

How to sum/add surds with the help of shortcut and also explained it's concept of addition .

Please correct the statement of question no 1 as it must be alternate signs of plus  and minus

Addition of surds / Summation of surds

Addition of surds using shortcut method

Addition using simple and fastest tricks in number system;  which are  very very time saving in competitive exams

Addition by shortcut method in number system

Simplification  using simple and fastest tricks in number system;  which are  very very time shaving in competitive exams

Simplification by shortcut method in number system

How to sum up numbers which are written in pattern

Sum of systematic fractions using formulas

Square roots of surds   using simple and fastest tricks in number system;  which will be  very very time shaving in competitive exams

Square root of surds using shortcut method

I am teaching Current Affairs, Indian Polity & Reasoning in different coaching institutes & in different cities of India from last 11 years.

Shailendra Kumar

In this course, I will describe that how to find unit digit of any number.

(Hindi) Number System

For Discount Use Code - ROB10
Cleared exams like - SSC CGL CHSL, UPPCL
5+ Years Experience in teaching 

Robin Sharma

Number System from Basic to Advance level Questions in Hindi Language for SSC-CGL:2018

(Hindi) Number System from Basic to Advance level SSC-CGL : 2018

M.sc(Cranfield University UK) QUALIFIED SSC CGL,IBPS PO,FCI,RAILWAY NTPC(89.67%
 marks) UPTET & CTET ALL AT FIRST ATTEMPT

M S Mustafaa

In this course we will discuss complete Number System from very basic & also discuss previous years questions related to Number System

Complete Number System for SSC CGL

(Hindi) HCF and LCM (Previous Year Questions) (Part-1) for all those aspirants who are preparing for SSC Exams, Railways Exams and Others

(Hindi) HCF and LCM (Previous Year Questions) for SSC CGL 2018

B.TECH COMPUTER SCIENCE ENGINEER. 
(UNIVERSITY RANK HOLDER).

Sachin Mehta

Quantitative Aptitude is considered one of the most difficult sections of competitive exam. But I feel, this section can be tackled easily with adequate knowledge and right application of concepts. If you understands Maths, it will be easy to tackle.

(Hindi) Quantitative Aptitude for SSC CHSL 2020

In this course, the educator explains the concept of division and remainder. He discusses how to solve questions related to remainder within few seconds.

Lessons

34 lessons • 1h 27m