A discount of 16% on the marked price of a book enables a man to buy a pen that costs? 80. How much did he pay for the book?

A shopkeeper gives discounts of 10% on the T.V. The marked price of T.V. is Rs. 8000. After allowing discount, a shopkeeper gain 20 %. Find the cost price of a T.V.

The marked price of an article is ₹ 500. It is sold at successive discounts of 20% and 10%. The selling price of the article (in rupees) is : 

While selling a cooler, a shopkeeper gives a discount of 10% on the marked price. If he gives a discount of 12% he earns ₹ 35 less as profit. The marked price of the cooler is 

Successive discounts of 10% and 30% are equivalent to a single discount of : 

The marked price of an item was ₹5,000. While selling the item, the seller offered successive discounts of 15% and 5%. What was the final selling price of the item?

The marked price of a watch is ₹ 1000. A retailer buys it at ₹ 810 after getting two successive discounts of 10% and another rate which is illegible. What is the second discount rate? 

A bicycle, marked at ₹ 2,000 is sold with two successive discount of 20% and 10%. An additional discount of 5% is offered for cash payment. The selling price of the bicycle at cash payment is