by selling an article for ₹ 720 a man losses 10% at what price should he sell it to gain 5%

By selling an article for र720, a man loses 10%. At what price should he sell it to gain 5%?

By selling a watch for Rs. 1440, a man losses 10%. At what price should he sell it to gain 10%?

By selling an article for Rs 810, a man loses 10%. At what price should he sell it in order to gain 8% ?

By selling an article for Rs.600 a man losses 20%. At what price should he sell it in order to gain 25%?

A man loses 10% by selling an article for Rs. 180. At what price should he sell it to gain 10%?

By selling a calculator at ₹ 510, a man loses 15%. At what price should he sell it to gain 15%

A person gained 20% by selling an article for Rs 240.At what price must he sell it to gain 10%?

By selling an article at ₹ 1296, a man incurs a loss of 4%. At what price should he sell the article to gain 5% ?