A shopkeeper sells an article at a gain of $10 \% .$ Had he sold it at a loss of $20 \%,$ its selling price would have been $Rs.\,180$ less. What is the cost price of the article? (in $Rs.$)

The percentage profit earned by selling an article for $Rs.\,1920$ is equal to the percentage loss incurred by selling the same article for $Rs.\,1280.$ At what price should the article be sold to make $25 \%$ profit? (in $Rs.$)

Rita buys an article for $Rs.$ $9600.$ She sold it at $12 \%$ loss and get some money and from that money she again buys an article and this time she got $12 \%$ profit. What was profit or loss she got form this transaction in $Rs.$?

The printed price of an article is $40 \%$ higher than its cost price. Then the rate discount so that he gains $12 \%$ profit is.........$\%$

The cost price of $20$ articles is the same as selling price of $x$ articles. If the profit is $25 \%,$ then the value of $x$ is

A man had a certain amount with him. He spent $20 \%$ of that to buy an article and $5 \%$ of the remaining on transport. Then he gifted $Rs.\,120.$ If he is left with $Rs.\,1,400$ the amount he spent on transport is (in $Rs.$)