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Deepa Thakur Sharma
28/09/2018 0 1


A mathematical symbol represented by a set of digits is called a number.we can express a number in two, i.e., in words & in figures.e.g., if a number is 3290, then we can write this number in words as 'three thousand two hundred and ninety.'


In our daily life, we use numbers everywhere for counting, for measuring weight, for measuring height, for scores of games etc. In the decimal system, we use ten symbols 0,1,2,3,4 5,6,7,8 and 9 which are called digits. Here, 0 is called the insignificant number, and the rest digits are called significant digit.

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Saurabh Singh | 23/11/2018

There are infinite numbers that we use in mathematics in solving simple and complex problems/ calculations for our practical needs. Number System is a topic that cover these numbers, categorise them in sets like Natural Numbers, Whole Numbers, Integers, Rational Numbers, Irrational Numbers, Complex Numbers etc and study their characteristics and properties

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