A man purchased $120$ reams of paper at $Rs.\, 80$ per He spend $RS.\, 280$ on transportation, paid octrol at the rate of $40$ palse per ream and paid $Rs.\, 72$ to a porter. In order to gain $8 \%$ he must sell each ream of paper for (in $Rs.$)

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.)

An item costing $Rs.\, 200$ is being sold at $10 \%$ loss. If the price is further reduced by $5 \%,$ the selling price will be (in $Rs.$)

A shopkeeper sold Sarees at $Rs.$ $266$ each after giving $5\%$ discount on labelled price. Had he not given the discount, he would have earned a profit of $12 \%$ on the cost price. What was the cost price of each Saree? (in $Rs.$)

A loss of $19 \%$ gets converted into profit of $17 \%$ when the selling price is increased by $Rs. 162$ . Find the cost price of the article. in $Rs.$

An article is sold at a certain fixed price. By selling it at $\frac{2}{3}$ of that price, one loses $10 \%$. The gain percent on selling it at the original price is