In a game of 80 points, P can give 16 points to Q, and R can give 20 points to P. How many points can R give to Q in a game of 150 points?

In a race of 1200 meters, A can beat B by 120 meters, and in a race of 800 meters, B can beat C by 40 meters. In a race of 400 meters, by how many meters can A beat C?

In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, by how many meters can A beat C?