ATP Education Logo

The Secure way of Learning

   Welcome! Guest

LogIn    Register       


Sponser's Link
Sponser's Link

Sponser's Link

Join Us On Facebook
CBSE And NCERT Solutions:

NCERT Books Solutions for Class 9 Mathematics english Medium 1. Number Systems

Select Your Subject: CBSE English Medium


NCERT SolutionsClass 9th Mathematics Chapter 1. Number Systems
Page 1 of 5

1. Number Systems


Exercise 1.1




Q1. Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?


Yes, zero is a rational number, because it can be represented on a number line and it can be written in the form of p/q, 

Where P = 0 and q ≠ 0; 

Q4. 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.


(I)   Every natural number is a whole number.  (True

Reason: Whole numbers contains all natural numbers. 

(ii)  Every integer is a whole number. (False

Reason: Integers have also negative number while whole number does not have such negative numbers. 

(iii) Every rational number is a whole number. (False

Reason: Rational numbers have variety of numbers, those numbers can not be represented as whole number.



Page 1 of 5
Download Our Android App
Get it on Google Play
Feed Back

Roshan Class X says:


Shadab Khan Class X says:

"make fast all science pages geography "

Shivam Bajpai All Class says:

"ये पेज under construction क्युं है .plz fix this prob..."

Krishan Class X says:

"this very good website i really appreciate which provide no cost education to all medium classes"

Vimal Class XI says:

"Not able to find the instructed."

Kamini Class X says:

"every chepter is imcomplete....this side is not useful"

Ashok Swami All Class says:

"10th science ka Lesson-8 ka page no.5 kab take under construction rahega please improve it."

Rishabh Gupta Class XI says:

"how can i understand difference between permutation and combination word problem"

Rishabh Gupta Class XI says:

"i want to learn parts of speech"


"Please update all the syllabus of class 8"

ATP Education



Follow us On Google+
Join Us On Facebook
Sponser's Link
Sponser's Link