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 of these

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