In the question, two quantities (I) and (II) are given. You have to solve both quantities to establish the correct relation between Quantity (I) and Quantity (II) and choose the correct option.

Sam invested 'M' Rs. at compound interest of r% p.a compounded annually. Interests earned by him in the second year and third year are 4800 Rs. and 5760 Rs. respectively.

Quantity (I): The value of 'M'

Quantity (II): If 'A' invested 40000 Rs. at simple interest of r% p.a and the amount received by him at the end of 6 years is 'P' Rs. then find the value of 'P/4'?