A sum of money is divided among P, Q and R so that each 5 rupee P gets, Q gets 3 rupees 25 paise and R gets 2 rupees. If R's share is Rs.80, then sum must be -
Rs.410
Let the total investment be `x'
The investments are in the ratio - 20 : 13 : 8
Investment of R = 841×x
841×x=80
x=Rs.410