R d sharma solutions mathematics class 9 Solutions for Chapter 1 number system

Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0?

Find five rational numbers between 1 and 2.

Find six rational numbers between 3 and 4.

Find five rational numbers between 3/5 and 4/5.

Are the following statements true or false? Give reason for your answer. (i) Every whole number is a natural number. (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.

Express the following rational numbers as decimals. (i) 42/100 (ii) 327/500 (iii) 15/4

Express the following rational numbers as decimals. (i) 42/100 (ii) 327/500 (iii) 15/4