In a one Kilometre race A beats B by 28 Meters in 7 seconds. Find out the time taken by A to finish the race?
- 4 mins 20 secs
- 4 mins 0 secs
- 4 mins 3 secs
- None
Explanation
B covers 28 meters in 7sec. So, B’s time over the course = (7/28)*1000 =250 sec.
Whereas A’s time over the course = 250 -7 = 243 sec.
i.e A’s time over the course is 4min, 3 sec
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