Find $CP$ when $SP = Rs. 51.70$ and $\text{loss} = 12\%$.

The cash difference between the selling price of an article at a profit of $4 \%$ and $6 \%$ is $Rs. 3$. The ratio of the $2$ selling prices is?

$A$ person sells two articles,each for $Rs. 1040$. He incurs $20 \%$ loss on the first and $10 \%$ loss on the second. Find out the overall percent loss.

If the selling price of $\frac{2}{3}$ of a certain quantity of milk is equal to the cost price of the whole quantity of milk,then what will be the gain percent in this transaction?

Mr. Verma sold his scooter for $Rs. 10500$ at a gain of $5 \%$. Find out the cost price of the scooter (in $Rs.$).

By selling $25$ $metres$ of cloth,a trader gains the selling price of $5$ $metres$ of cloth. The gain of the trader in $\%$ is: