The true discount on a bill of $Rs.\, 1260$ due for $6$ months at $10 \%$ per annum is (in $Rs.$):

When a discount of $20 \%$ is given on a sweater,the profit is $28 \% .$ If the discount is $14 \%,$ then the profit is (in $\%$)

The price of a shirt after $15\%$ discount is $Rs.\,119$. What was the marked price of the shirt before the discount? (in $Rs.$)

$A$ man buys a single apple for $Rs. 25$. If he were to buy a dozen apples,he would have to pay a total amount of $Rs. 250$. What would be the approximate percent discount he would get on buying a dozen apples?

$Rs. 21$ is the true discount on $Rs. 371$ for a certain time at a certain rate of interest. If the rate of interest is kept the same,the true discount on the same sum for double that time will be (in $Rs.$)

When a discount of $Rs. 42$ is allowed on the marked price of an article,the new reduced price becomes $86 \%$ of the original marked price. Find the marked price (in $Rs.$).