24 m
A= 500 --> B=470, C=480 (C-B)/500=10/500=1/50 - B loses to C 1 m for every 50 m, in a race of 1200 m, C will beat B by 1200/50=24 m
A and B run a km race. If A gives B a start of 100 m, A wins by 20 sec and if A gives B a start of 50 sec, B wins by 30 m. Then what is the time taken by A to run a km?
A and B take part in a 200 m race. A run at 5.4 km/hr. A gives B a start of 12 m and still beat him by 6 sec. What is the speed of B?
A and B take part in a 500 m race. A runs at 24 km per hour. A gives B a start of 40 m and still beats him by 15 seconds. What is the speed of B?
