Question:
Rohit buys an item at 25% discount on the marked price. He sells it for Rs 660, making a profit of 10%. What is the marked price of the item?
Solution:
Given,
SP of the item $=R$. 660
Discount on the item $=25 \%$
Profit on the item $=10 \%$
We know,
$\mathrm{MP}=\left(\frac{100 \times \mathrm{SP}}{100-\text { Discount } \%}\right)$
$=\left(\frac{100 \times 660}{100-25}\right)$
$=$ Rs. 880
Thus, the marked price of the item is Rs. 880 .