A certain amount of money is divided among Ram, Ravi and Ramesh. If Ram receives 25% more than Ravi and Ravi receives 40% less than Ramesh. Find the ratio of their amount Ram : Ravi : Ramesh.
1
15 : 12 : 20
2
12 : 15 : 20
3
15 : 20 : 12
4
20 : 12 : 15