The sale price of an article including the sales tax is Tk. The rate of sales tax is 10%. If the shopkeeper has made a profit of 12%, then the cost price of the article is:
সমাধান
সঠিক উত্তর: Option A
cost price=500 then,in 12% profit, selling price=500 x 112/100=560 tk with 10% tax, price= 560+56=616 tk