Aman buys $5$ laptops and $7$ computers for $Rs.$ $58500 .$ He sells the laptops at a profit of $10 \%$ and computers at a profit of $16 \%$ and his whole gain is $Rs.$ $7110.$ What price does he pay for a laptop? (in $Rs.$)
$7500$
$8200$
$9100$
$10500$
A fan in a shop is offered at a discount of $10 \%$. It is sold during clearance sale at $6 \%$ discount over the already discounted price at $Rs.\,846.$ The original marked price of the fan is (in $Rs.$)
A man sold his two cars for $Rs.$ $4.5$ $lakh$ each. In the sale of first car, he incurred $20 \%$ profit and in the sale of the second, he incurred $20 \%$ loss. The total amount of profit or loss is?
The marked price of a piano was $Rs.\, 15,000$. At the time of sale, there were successive discounts of $20 \%$ $10 \%$ and $10 \%$ on it. The sale price was (in $Rs.$)
A man buys $300$ dozen of bananas for $Rs.\, 3,600$. He sold $1 / 3^{rd}$ of the stock at a loss of $10 \%$ and the remaining $2 / 3^{rd}$ stock at a gain of $10 \% .$ Find his overall percent profit or loss.
Ravipurchases $90$ pens and sells $40$ pens at a gain of $10 \%$ and $50$ pens at a gain of $20 \% .$ Had he sold all of them at a uniform profit of $15 \%$ he would have got $Rs.\, 40$ less. Find the cost price of each pen in $Rs.$