In what ratio ,water must be mixed with fruit juice costing Tk.24 per liter .so that the juice would be worth of Tk.20 per liter .
Solution
Correct Answer: Option B
প্রশ্নমতে ,24j=20(j+w)
বা,24j=20j+20w
বা,4j=20w
বা,j/w=20/4
বা,w/j=1/5
অতএব ,water:juice =1:5