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- In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:
Question 1:
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. 45 sec
C. 33 sec
Feedback B runs 35 m in 7 sec.
B covers 200 m in (7/35*200) = 40sec
B's time over the course = 40 sec.
A's time over the course (40 - 7) sec = 33 sec.
B covers 200 m in (7/35*200) = 40sec
B's time over the course = 40 sec.
A's time over the course (40 - 7) sec = 33 sec.
D. None of these
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