arithmetic - an amount of money is to be distributed among faruk vasim and ranjith in the ratio 3 5 7 if vasims share is rs 1500 what is the difference between faruks and ranjiths shares - skillgun

Let P = Faruk, Q = Vasim, R = Ranjith
Let P = 3x, Q = 5x and R = 7x.
Then, 5x = 1500 ? x = 300. P=900,Q=1500 and R = 2100.
Hence, (R - p) = (2100 - 900) = 1200