Races and Games

Question:
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

Question:
In a 200 metres race A beats B by 35 m or 7 seconds. A’s time over the course is:

[A].

40 sec

[B].

47 sec

[C].

33 sec

[D].

None of these

Answer: Option C

Explanation:

B runs 35 m in 7 sec.

B covers 200 m in		7	x 200		= 40 sec.
		35

B’s time over the course = 40 sec.

A’s time over the course (40 – 7) sec = 33 sec.

Question:
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.