1. Is zero a rational number ? Justify
Solution: Yes zero is a rational number
Explanation:
We know that standard form of rational number is (p/q)
Here p and q are integre and q is not equal to 0 also p and q have no any common factor other than 1.
Since we can write 0=(0/1)
Here Here 0 and 1 are integre and 1 is not equal to 0 also 1 and 0 have no any common factor other than 1.
So 0 is a rational number.
Proved
Q.9 state whether the following statements are true or false.Give reasons for your answer.
(i) Every natural number is a whole number.
(ii) Every whole number is a natural number.
(iii) Every integer is a rational number.
(iv) Every integer is a rational number.
(v) Every rational number is an integer.
(vi) Every rational number is a whole number.