In a km race, A beats Bby 28 metres or 7 seconds. Find A's timeoverthe course Choose the correct choice from the following choices
A) 4 min	B) 3 min. 3sec	C) 4 min.4 sec	D) 5 min. 3 sec	E) 4 min. 3 sec
Clearly, B covers 28 m in 7 seconds.   :. B's time over the course = (278 x 1000) sec = 250 seconds.   :. A's time over the course = (250 - 7-) sec = 243 sec   = 4 min. 3 sec.   Option 4 min. 3 sec
<result>E</result>
In a km race, A beats Bby 28 metres or 7 seconds. Find A's timeoverthe course