Question

A dealer marks his goods at 35% above the cost price and allows a discount of 20% on the marked price. Find the gain or loss per cent.

Answer 1

Let Rs 100 be the CP.
Then, marked price = $Rs135$
Discount = 20% of MP
$$\begin{gathered} =\frac{20}{100}\times 135 \\ =27 \end{gathered}$$
Selling price = marked price − discount
= 135 − 27
= Rs 108
Now, gain = SP − CP
=108 − 100
=Rs 8

$\therefore \mathrm{Gain}\mathrm{percentage}=\frac{\mathrm{gain}}{\mathrm{CP}}\times 100$

= $$\begin{gathered} \frac{8}{100}\times 100 \\ =8\% \end{gathered}$$