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
Is zero a rational number? Can you write it P in the form , where p and q are integers and q ≠ 0? [NCERT]
Yes, zero is a rational number e.g.
Find five rational numbers between 1 and 2. [NCERT]
We know that one rational number between two numbers a and b =
Therefore one rational number between 1 and 2
Find six rational numbers between 3 and 4. [NCERT]
One rational number between 3 and 4
Find five rational numbers between and
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.
(i) False, as 0 is not a natural number.
(iii) False, as , etc. are not integers.
(v) False, ∵ negative natural numbers are not whole numbers.
(vi) False, ∵ proper fraction are not whole numbers
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