Question:
The reciprocal of any rational number $\frac{p}{q}$, where $p$ and $q$ are integers and $q \neq 0$ is
(a) $\frac{p}{q}$
(b)1
(c)0
(d) $\frac{q}{p}$
Solution:
(d) The reciprocal of any rational number $\frac{p}{q}$, where $p$ and $q$ are integers and $q \neq 0$ is $\frac{q}{p}$