1) After allowing a discount of 12% on the marked price of an article, it is sold for Rs 880. Find its marked price.

2) A shopkeeper offers 5% discount on all his goods to all his customers. He offers a further discount of 2% on the reduced price to those customers who pay cash. What will you actually have to pay for an article in cash if its MP (Marked Price) is Rs 4800?

3) A dealer buys an article listed at Rs 100 and gets successive discounts of 10% and 20%. He spends 10% of the cost price on transportation etc. At what price should he sell the article to earn a profit of 15%?

4) Samir bought a shirt for Rs 336, including 12% sales tax and a necktie for Rs 110 including 10% sales tax. Find the printed price (without sales tax) of shirt and necktie together.

5) If Rs 640 amounts to Rs 784 in 2 years 6 months, what will Rs 860 amount to in 4 years at the same rate per cent per annum?

6) A tradesman by means of false balance defrauds to the extent of 20% in buying goods and also defrauds to the extent of 20% in selling. Find the gain per cent.

7) A person sells an article at a profit of 10%. If he had bought it at 10% less and sold it for Rs 3 more, he would have gained 25%. Find the cost price.

8)A grocer sells rice at a profit of 10% and uses a weight which is 20% less. Find his total percentage gain.