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What is Number System? In this chapter, we will study the number system. We will also look at the types of number system where you can also look forward to working on some number system questions. What is the Number System? The number system is used to state how many objects are there in a given set. The Roman numeral ‘I’ denotes the idea of ‘oneness’.  The same thing is denoted by the Greek letter alpha ‘a’. It should be noted that alpha was the first letter which was used as a numeral. So, it is nothing but a Hindu-Arabic in origin. Let us study these in details. In ancient Mesopotamia, the beginning system of the inscribed symbol was a system of symbols for numbers. You need to understand that the current number systems happen to be place-value systems. The place or position of the numbers determines the value of numbers in the representation. For example, the 4 in 40 and 400, which represents 4 ten’s and 4 hundred respectively. There was no positional characteristic in the...

Rational Number The rational numbers are written in p/q form where q is not equivalent to zero. A fraction that has non-zero denominator is considered to be a rational number. Henceforth, we can say that '0' is also a rational number, as we can represent it in numerous forms such as 0/1, 0/2, 0/3, and so on. In any case, 1/0, 2/0, 3/0, and so on are not rational. In this article, we will focus on the properties of rational numbers alongside with its types. We will also look at the differences between the rational and irrational numbers. For a better understanding, there are some solved examples. Also, get familiar with the various rational numbers examples and figure out how to locate the rational numbers in a superior manner. To indicate rational numbers on a number line, we have to solve and reduce it in the decimal form first. What is a Rational Number? A rational number is a number which can be expressed or written in the form of p/q, where q is not equal to zero. T...