In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:

1.

In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:

[A].	86 sec
[B].	80 sec
[C].	76 sec
[D].	None of these

Answer: Option B

Explanation:

B runs	45	m in 6 sec.
	2

B covers 300 m in		6 x	2	x 300	sec	= 80 sec.
			45

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