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

1.

In 100 m 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].	9 m

Answer: Option A

Explanation:

Distance covered by B in 9 sec. =		100	x 9	m	= 20 m.
		45

A beats B by 20 metres.

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