A dealer buys an article listed at $Rs.\, 100$ and gets successive discounts of $10 \%$ and $20 \% .$ He spends $10 \%$ of the Cost Price on transportation. At what price should he sell the article to earn a profit of $15 \% ?$ (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.

An article is sold at a gain of $15 \% .$ Had it been sold for $Rs.\,27$ more, the profit would have been $20 \%$. The cost price of the article is (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?

A cloth merchant says that due to slump in the market, he sells cloth at $10 \%$ loss, but he uses a inaccurate metre scale and actually gains $15 \%$. Find out the actual length of the scale. (in $cm$)

There would be a $10 \%$ loss, if rice is sold at $Rs.\, 54$ per $kg.$ To earn a profit of $20 \%,$ the price of rice per $kg$ will be (in $Rs.$)