A started a business by investing Rs.1200. After some months, B joined with an investment of Rs.3600. Two months later, C joined the business by inves...
Question
A started a business by investing Rs.1200. After some months, B joined with an investment of Rs.3600. Two months later, C joined the business by investing Rs.2800. If the annual profit shares of A and B are equal, find the number of months C invested his money.