Ravi sold a chair at a loss of 40%. The selling price of the chair is ₹900. What is the cost price of the chair?
By selling an article for ₹450, Riyan incurred a loss of 10%. At what price should he sell it to make a profit of 12%?
How much amount will be received on a principal of ₹10,000 at the rate of 12% per annum, compounded annually for 2 years?