The marked price of an article is $50 \%$ more than its cost price. If $20 \%$ discount is given,then what will be the profit percentage (in $\%$)?

The marked price of an article is twice the cost price. For a gain of $30 \%$,what should be the discount percentage?

If $60 \%$ discount is offered on the marked price and selling price becomes equal to cost price,then what was the percentage mark up?

$A$ $20 \%$ discount is offered on an item. By applying a promo code,the customer wins $30 \%$ cash back. What is the effective discount? (in $\%$)

$A$ person bought an article for $Rs. 2500$ and sold it the same day for $Rs. 3410$,allowing a credit of $2$ years. If the rate of interest is $12\%$ per annum,then the gain of the man is (in $\%$):

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