600*x*x/10000=54 x=30%
30 % of 600 = 180 30 % 0f 180 = 54
What will be the percentage of profit, if a shopkeeper provides a discount of 25% after increasing the price of an object by 50%?
A milkman sells milk after mixing water to it to such a level that ratio of water and milk becomes 9:41 in a mixture. If he sells at a mark-up rate of 12%, what is his actual profit percentage?
