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Q.
In a 1 km race, A beats B by 28 meters in 7sec. Find A's time over the course?
A.
5min,4sec
B.
4min,3sec
C.
2min,3sec
D.
3min,4sec
View Answer
Correct choice: B
Explanation:
B covers 28 meters in 7sec. So, B's time over the course = (7/28)*100 =250 sec. Whereas A's time over the course = 250 -7 = 243 sec. i.e A's time over the course is 4min , 3 sec.
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