The sales price of an item including the sales tax is Tk. 616. The tax rate is 10%. If the shopkeeper made a profit of 12%, what was the cost price of the item in Tk?
সমাধান
সঠিক উত্তর: Option A
110% of S.P. = 616 Tk.
= S.P. = Tk.(616 x 100/110) = Tk.560.
C.P. = Tk.(100/112 x 560)
= Tk.500