A shopkeeper marks the price of an item keeping 20% profit. If he offers a discount of $$12{1\over 2}\%$$ on the marked price, his gain percent will be 

State Electricity Board gives a discount of 15% if the electricity bill is paid before the due date. If a person gets a discount of Rs 54, then what was the original bill amount?

A dealer marks his goods at such a price that after allowing a discount of 12.5% for cash payment, he makes a profit of 20%. What is the marked price (in rupees) of the article which costs him Rs. 210?

The Banker's discount on a bill due 6 months hence at 16% per annum is ₹ 216. The true discount is: 

If on a marked price the difference of selling prices with a discount of 30% and two successive discounts of 20% and 10% is 72, then the marked price (in rupees) is  

Allowing 20 % and 15 % successive discounts, the selling price of an article becomes ₹ 3,060; then the marked price will be: 

A dealer buys an article marked at ₹ 25,000 with 20 % and 5% off. He spends 1,000 for its repair and sells it for ₹ 25,000 what is his gain or loss percent? 

Ramesh marks his goods 30% above cost price. If he sells the item for ₹ 910 after allowing of 15% discount. Find his cost price.