A fruit seller bought $240$ bananas at the rate of $Rs.\, 48$ per dozen. He sells half of them at the rate of $Rs.\,5$ per banana, $\frac{1}{6}$ th of the remaining are found to be rotten. The price per banana at which he has to sell the remaining bananas to get a profit of $25 \%$ on his entire investment is (in $Rs.$)

Anil started a business with an investment of $Rs.\,25,000.$ After $3\, months,$ Vishal joined his business with a capital of $Rs.\, 30,000$. At the end of the $year,$ they have made a profit of $Rs.\, 19,000$ what will be Anil's share in the profit? (in $Rs.$)

A shopkeeper sold an article for $Rs.\, 400$ after giving $20 \%$ discount on the labelled price and made $30 \%$ profit on the cost price. What would have been the percentage profit, had he not given the discount?

The ratio between selling price and cost price of an article is $7: 5 .$ What is the ratio between the profit and the cost price of that article?

A man sells a scooter to his friend at $10 \%$ loss. If the friend sells it for $RS.\, 4000$ and gains $20\%,$ find out the original cost price of the scooter. (in $Rs.$)

A person sells two articles, each for $Rs.\,1040.$ He incurs $20 \%$ loss on the first and $10 \%$ loss on the second. Find out overall percent loss.