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

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.