By selling an article for Rs. 320, a man incurs a loss of 20%, what should be the selling price of an article to gain 30%?

A starts a business, after 6 months B also join him with Rs.4500 and after 2 months of B’s joining C also join them with Rs.4500. If A gets approx. Rs 4900 out of total annual profit of Rs. 10,000 then find the approximate value of initial investment of A.

By selling 15 mangoes, a fruit seller gains the selling price of 3 mangoes. His gain is

Prakash, Sunil and Anil started a business jointly investing Rs. 11 lakhs, Rs. 16.5 lakhs and Rs 8.25 lakhs respectively. The profit earned by them in the business at the end of three years was Rs. 19.5 lakhs. What will be the 50% of Anil's share in the profit? 

On selling an article for Rs 162 there is a loss of 10%.At what price it should be sell in order to gain a profit of 10%?

A piece of land came to a person through three middlemen each gaining 20%. If the person purchased the land for Rs. 3,45,600 the original cost of the land was: 

A trader sold an article at profit of 20%. Had he bought that article at 60% less price and sold it at Rs 90 less, then he would have gained 50%. What is the value (in Rs) of cost price? 

Profit after selling a commodity for 524 is the same as loss after selling it for Rs. 452. The cost price of the commodity is