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A 400m long train is running at 72 Kmph. how much time will it take to cross an electric pole?
Question 1:
A 400m long train is running at 72 Kmph. how much time will it take to cross an electric pole?
A.
15sec
B.
20sec
Feedback
Distance = Speed × Time
If we convert Kmph into Mpsec multiply by 5/18,
400 = 72 Kmph × time
400 = 72×5/18 × time
Time = 20 Sec
C.
19sec
D.
21sec
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