## RD Sharma Class 9 Solutions Chapter 1 Number Systems Ex 1.1

These Solutions are part of RD Sharma Class 9 Solutions. Here we have given RD Sharma Class 9 Solutions Chapter 1 Number Systems Ex 1.1

Question 1.

Is zero a rational number? Can you write it P in the form \(\frac { p }{ q }\) , where p and q are integers and q ≠ 0? [NCERT]

Solution:

Yes, zero is a rational number e.g.

Question 2.

Find five rational numbers between 1 and 2. [NCERT]

Solution:

We know that one rational number between two numbers a and b = \(\frac { a+b }{ 2 }\)

Therefore one rational number between 1 and 2

Question 3.

Find six rational numbers between 3 and 4. [NCERT]

Solution:

One rational number between 3 and 4

Question 4.

Find five rational numbers between \(\frac { 3 }{ 5 }\) and \(\frac { 4 }{ 5 }\)

Solution:

Question 5.

Are the following statements true or false?

Give reason for your answer.

(i) Every whole number is a natural number. [NCERT]

(ii) Every integer is a rational number.

(iii) Every rational number is an integer.

(iv) Every natural number is a whole number,

(v) Every integer is a whole number.

(vi) Every rational number is a whole number.

Solution:

(i) False, as 0 is not a natural number.

(ii) True.

(iii) False, as \(\frac { 1 }{ 2 }\), \(\frac { 1 }{ 3 }\) etc. are not integers.

(iv) True.

(v) False, ∵ negative natural numbers are not whole numbers.

(vi) False, ∵ proper fraction are not whole numbers

Hope given RD Sharma Class 9 Solutions Chapter 1 Number Systems Ex 1.1 are helpful to complete your math homework.

If you have any doubts, please comment below. Learn Insta try to provide online math tutoring for you.