Hundred oranges are bought at the rate of $Rs.\, 350$ and sold at the rate of $Rs.\, 48$ per dozen. The percentage of profit or loss is
$14 \frac{2}{7} \%$ gain
$15 \%$ gain
$14 \frac{2}{7} \%$ loss
$15 \%$ loss
A person incurs $5 \%$ loss by selling a watch for $Rs.\,1140 .$ At what price should the watch be sold to earn $5 \%$ profit in $Rs.$?
Profit obtained on selling an article for $Rs.\,310$ is equal to the loss incurred on selling that article for $Rs.\, 230.$ What will be the loss percentage when selling price is $Rs.\, 180$?
A trader marked the price of his commodity so as to include a profit of $25 \% .$ He allowed discount of $16 \%$ on the marked price. His actual profit was (in $\%$)
A product when sold with $10 \%$ rebate on the listed price gave a profit of $Rs$ $70 .$ What was its cost price? (in $Rs$)
If the selling price of $40$ articles is equal to the cost price of $50$ articles, the loss or gain percent is