When a plot is sold for TK. 18,700, the owner loses 15%. At what price must the plot be sold in order to gain 15%?
সমাধান
সঠিক উত্তর: Option C
at 15% loss selling price 85 then cost price 100 selling price 1 then cost price 100/85 selling price 18700 then cost price 100x18700/85=22000 tk then, at 15% gain cost price 100 then selling price 115 tk cost price 1 then selling price 115/100 tk cost price 22000 the selling price=115x22000/100 tk=25300 tk