a) $$\frac{{{\text{pr}}}}{{100}}$$
b) $$\frac{{{\text{r}}\left( {100 + {\text{p}}} \right)}}{{100}}$$
c) $$\frac{{{\text{p}}\left( {100 + {\text{r}}} \right)}}{{100}}$$
d) $$\frac{{{\text{p}}\left( {100 – {\text{r}}} \right)}}{{100}}$$
Answer: c
Explanation:
$$\eqalign{
& {\text{C}}{\text{.P}}{\text{.}} = {\text{Rs}}{\text{. p}} \cr
& {\text{Gain}} = {\text{r}}\% \cr
& {\text{S}}{\text{.P}}{\text{.}} = {\text{q}} \cr
& = \left( {100 + {\text{r}}} \right)\% {\text{ of Rs}}{\text{. p}} \cr
& = \frac{{{\text{p}}\left( {100 + {\text{r}}} \right)}}{{100}} \cr} $$
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