Question:
If y is the reciprocal of rational number x, then the reciprocal of y will be
(a)x
(b) y
(c) $\frac{x}{y}$
(d) $\frac{y}{x}$
Solution:
(a) If $y$ be the reciprocal of rational number $x$, i.e. $y=\frac{1}{x}$ or $x=\frac{1}{y}$.
Hence, the reciprocal of y will be x.