Chapter 1

NCERT
Class 9
Mathematics
Solutions
4. State whether the following statements are true or false. Give reasons for your answers.

Question:

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.

Answer:

(i) True, every natural number is a whole number.

(ii) False, because negative numbers are included in integers, but whole numbers are 0, 1, 2, 3, ...

(iii) False, for example 1/2 is a rational number but not a whole number.

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