In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:	Choose the correct choice from the following options: A) 20 m B) 25 m C) 22.5 m D) 9 m E) 12 m
Distance covered by B in 9 sec. =	100/45 x 9	m = 20 m.   A beats B by 20 metres.   20 mnswer: Option 20 m
<result>A</result>
In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by: