A fruit vendor buys $10$ bananas for $Rs.\, 14$ and sells them at $12$ for $Rs.\,15$. Find his percentage gain or loss.

Maninder bought two horses at $Rs.\, 40,000$ each. He sold one horse at $15 \%$ gain, but had to sell the second horse at a loss. If he had suffered a loss of $Rs.3,600$ on the whole transaction, then the selling price of the second horse is (in $Rs.$)

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 reduction of $10 \%$ in the price of rice enables to obtain $25\, kg$ more for $Rs.$ $2250 .$ Find the reduced price per $kg$ of the rice. (in $Rs.$)

A tradesman marks his goods $30 \%$ more than the cost price. If he allows a discount of $6 \frac{1}{4} \%$ then his gain percent is

A dealer sold a bicycle at a profit of $10 \% .$ Had he brought the bicycle at $10 \%$ less price and sold it at a price $Rs.\, 60$ more, he would have gained $25 \%$. The cost price of the bicycle was