**Telangana SCERT Solution Class IX (9) Math Chapter 1 Real Numbers Exercise 1.1**

** (1.) (a) Write any three rational numbers**

Solution: 1/3, 1/4, 5

**(b) Explain rational number in your own words.**

Solution: Rational numbers are any number that can be expressed in the form of a fraction considering the denominator of the fraction itself is not equal to 0.

example -> 1/b, where a = any integer or natural number. b ≠ 0.

**(2.) Give one example each to the following statements.**

**(i.) A number which is rational but not an integer**

Solution: 3/2, since 3/2 is a fraction and cannot be represented in the form of a single whole number.

**(ii.) A whole number which is not a natural number**

Solution: 0, Zero is the only number that separates whole number with natural number, all positive integers are natural number whereas, all natural numbers along with zero are whole number.

**(iii.) An integer which is not a whole number**

Ans. -3, Any integer that is a negative number is not a whole number.

**(iv.) A number which is natural number, whole number, integer and rational number.**

Ans. 4, any positive number which is not a fraction are all of the above mentioned in the question.

**(v.) A number which is an integer but not a natural number**

Solution: 0, Any integer number starting from zero and beyond in the negative numbers bracket are not a natural number.