4. However, not all numbers can be expressed in any of these forms. Such numbers which cannot be expressed as a quotient of two integers are called Irrational Numbers. These are the non repeating and nonterminating decimals.The set of rational and irrational numbers form the set of real numbers. There are also numbers which can be expressed in the form a/b, where a and b are integers and b=0. These are called Rational Numbers ( Integers, simple fractions, mixed numbers, finite decimals, or repeating decimals, whether positive or negative, are all rational numbers.

8. Importance of Real Number in our life The Meaning of Numbers are very crucial in our life but at the same time we completely fail to recognize its importance. Our day starts with numbers and it ends with numbers. Every minute of our life revolve around numbers and they hold the potential to change our lives too. Start to work on the meaning of numbers and what you have a real truth that surround and influence our lives. We remain ignorant for most part of our lives and when the truth come bare in front of us we cannot help but think that how such facts remained hidden from us for much part of our lives. Numbers and their meaning is subject to our interpretation and how skillfully we play around with them determines how successful we become in our lives.