By selling a watch for Rs. 720, Ravi loses 10%. At what price should he sell it, in order to gain 15% .
*.P = Rs. 720, loss percent = 10% C.P = ?
C.P = RS. 800 gain percent = 15 % *.P = ?
*.P = Rs. 920 He should sell it for Rs. 920 to gain 15% profit.