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Arithmetic Ability
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Q.
A man sitting in a train which is traveling at 50 kmph observes that a goods train, traveling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.?
A.
60
B.
62
C.
64
D.
65
View Answer
Correct choice: B
Explanation:
Relative speed =280/9 m / sec = (280/9*18/5) kmph = 112 kmph. Speed of goods train = (112 - 50) kmph = 62 kmph.
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