Question

A number which can be expressed as $\left(\frac{p}{q}\right)$, where $p$ and $q$ are integers and $q\ne 0$ is called a
(a) natural number
(b) whole number
(c) integer
(d) rational number

Answer 1

A number which can be expressed in $\left(\frac{p}{q}\right)$, where $p$ and $q$ are integers and $q\ne 0$ is called a rational number.
Hence, the correct answer is option (d).