A fruit vendor buys $10$ bananas for $Rs.\, 14$ and sells them at $12$ for $Rs.\,15$. Find his percentage gain or loss.
$10 \frac{5}{7} \%$ loss
$10 \frac{5}{9} \%$ gain
$9 \%$ gain
None of these
A toothpaste labeled at $Rs.\, 80$ is sold for $Rs.\, 68$ The rate of discount is.......$\%$
A cab driver makes a profit of $20 \%$ on every trip when he carries $3$ passengers and the price of petrol is $Rs.\,30$ a litre. Find the percentage profit for the same journey if he goes with four passengers per trip and the price of petrol reduces to $Rs.\, 24$ a litre? (in $\%$)
(Assume that revenue per passenger is the same in both the cases.)
If an item is sold for $Rs.\, 924$ then there is a profit of $10 \%$ then what is the cost price in $\%$?
By selling a book for $Rs.$ $360,20 \%$ profit was earned. What is the $CP$ of the book in $Rs.$?
On a certain item profit is $150 \% .$ If the cost price increase by $25 \%$ what will be the new profit margin $($ in $\%)$