A man sitting in a train which is travelling at 50 kmph observes that a goods train, travelling in ...
A man sitting in a train which is travelling at 50 kmph observes that a goods train, travelling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed?
Answer/Solution
62 kmph.
Steps/Work
Solution
Relative Speed = (280 / 9)m/sec
= (280/9 x 18/5)
= 112 kmph.
Speed of the train = (112 - 50)kmph
= 62 kmph.
Answer B
Relative Speed = (280 / 9)m/sec
= (280/9 x 18/5)
= 112 kmph.
Speed of the train = (112 - 50)kmph
= 62 kmph.
Answer B