A store sells an item for Tk. 50 each, or 3 items for Tk. If 202 items were sold and revenue amounted to Tk. 00, How many of these items were sold one at a time?
সমাধান
সঠিক উত্তর: Option C
Let, x+3y=202-------(i)
and, 1.5x+3.5y=279------(ii)
equation(i)×1.5 then,
We get, y=24
So, x+3(24)=202
=> x=130
Therefore, required items were sold one at a time =130