Question: In a race of 500 meters, A beats B by 50 meters. If A\'s speed is 10 m/s, what is B\'s speed?
Options:
Correct Answer: 8 m/s
Solution:
If A runs 500 m, B runs 450 m. Time taken by A = 500 m / 10 m/s = 50 s. B\'s speed = 450 m / 50 s = 9 m/s.