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?
Solution:
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.
Solution:
(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.
