Direction: Read the following data carefully and answer the following questions:

Three different colours marbles are differently divided in two friends A and B. The average number of total marbles is 800 and the ratio of number of Red, White and Green marbles is 5: 7: 12. The number of Red marbles A have is 20% of total number of red marbles. The ratio of the number of White marbles A and B have is 3: 4. The difference between the number of Green marbles B and A have is 600.