RD Sharma Solutions for Class 10 Chapter 1 Real Numbers- The rational numbers and irrational numbers make up the set of real numbers. A number can be classified as a natural, whole, integer, rational, or irrational. The real numbers under the operations of addition and multiplication obey basic rules, known as the properties of real numbers. Mathematics is all about numbers and understanding their types, properties and operations. Having strong knowledge of numbers is very important for further studies in Class 10 Maths. In this chapter, we will begin with properties of integers, namely, Euclid’s division Lemma, Euclid’s division algorithm and the Fundamental Theorem of Arithmetic.