At a store, Mimi paid Tk. 100 for 5 oranges. If oranges are usually sold at Tk. 216 per dozen, How much extra/ less did she pay?
সমাধান
সঠিক উত্তর: Option B
real selling price of 1 orange is = 216/12=18 tk price of 5 oranges= 5x18=90 tk mini paid for 5 oranges=100 tk so,she paid = (100-90)tk =10 tk extra