A supervisor, instead of dividing Rs.117 among three workers P, Q and R in the ratio 12:13:14, accidentally divided the total wage in the ratio 2:3:4. Which worker gains the most and by how much?
3 classmates P, Q and R earned a profit of Rs. 9000. The ratio of capital invested by P and Q is 1 : 2. The ratio of capital invested by Q and R is 4 : 3. Calculate the actual profit each of them earns.