In a 100m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by :

In a 100m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by :

A 20 m

B 25 m

C 22.5 m

D 9m

Solution

Correct Answer: Option A

Distance covered by B in 9 sec=(100/45 X 9)= 20 meter

A beats B by 20 metres .