NCERT solutions for class 9 maths chapter 1 Ex 1.1

In this page we have NCERT solutions for class 9 maths chapter 1 Exercise 1.1 . In this exercise, questions are based on Rational numbers .Hope you like them and do not forget to like , social share
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NCERT solutions class 9 maths chapter 1 Exercise 1.1

Question 1
Is zero a rational number? Can you write it in the form p/q
, where p and q are integers and q not equal to 0? Solution:
Yes. Zero is a rational number as it can be represented as 0/1 or 0/2…

Question 2
Find six rational numbers between 3 and 4. Solution
We can find the rational number using three method as explained in below picture
Using method 2,The six rational numbers
3.1 , 3.2, 3.3, 3.4, 3.5, 3.6

Question 3
Find five rational numbers between 3/5 and 4/5 Solution:
We need to find five rational numbers .
We can use the method 3 as explained above
So we multiply the denominator and numerator by (5+1) both the numbers
3/5= 18/30
4/5=24/30
So rational numbers will be in increasing order
19/30
20/30
21/30
22/30
23/30

Question 4
State whether the following statements are true or false. Give reasons for your answers.
(i) Every natural number is a whole number.
(ii) Every integer is a whole number.
(iii) Every rational number is a whole number Solution:
(i) True; since the collection of whole numbers contains all natural numbers.
(ii) False; as integers may be negative but whole numbers are positive. For example: −3 is an integer but not a whole number.
(iii) False; as rational numbers may be fractional but whole numbers may not be

Summary

NCERT solutions for class 9 maths chapter 1 Exercise 1.1 has been prepared by Expert with utmost care. If you find any mistake.Please do provide feedback on mail. You can download the solutions as PDF in the below Link also Download Class 9 Maths Chapter 1 Ex 1.1 assignment as pdf

This chapter 1 has total 6 Exercise 1.1 ,1.2,1.3 ,1.4 ,1.5 and 1.6. This is the First exercise in the chapter.You can explore previous exercise of this chapter by clicking the link below