A and B run a km and A wins by 1 minute. A and C run a km and ‘A’ wins by 375 metres. B and C run a km and B wins by 30 seconds. Find the time taken by each to run a km.
Answer: B
Since A beats B by 60 seconds and B beats C by 30 seconds. So, A beats C by 90 seconds. But, it being given that A beats C by 375 metres. So it means that Covers 375 metres in 90 seconds.
Time taken by C to cover 1 km =90/375×1000 seconds= 240 seconds
Time taken by A to cover 1 km = (240-90) seconds = 150 seconds
Time taken by B to cover 1 km = (240-30) seconds= 210 seconds.