By selling an article at 2/3 of the Marked price, there is a loss of 10%. The profit percent when the article is sold at the Marked prices

The marked price of an article is Rs.800. A retailer buys it for Rs.540 after getting two successive discounts. The first discount is 25 %. What is the second discount?

A man sells an article at 5 % above its cost price. If he had bought it at 5 % less than what he had paid for it and sold it at Rs. 2 less, he would have gained 10 %. The cost price of the article is 

A merchant purchases a wrist watch for ₹ 450 and fixes its list price in such a way that after allowing a discount of 10%, he earns a profit of 20%. Then the list price of the watch is

When a mobile is sold at 6 percent profit, it gets Rs. 870 more than it is sold at 6 percent loss. So what is the purchase price of mobile?

The ratio of the cost price and selling price of an article is 10 : 11. The gain per cent is:

A trader sells an article at 16% below its cost price. Had he sold it for ₹192.20 more, he would have gained 15%. The cost price (in ₹) of the article is:

A shopkeeper bought 25 kg. of pulses at the rate of Rs. 54 kg. He sold forty percent of the total quantity at the rate of Rs. 50 per kg. at what price per kg should he sell the approximately quantity to make 25% overall profit ?