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Maths Puzzle
Q. 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.
Read Solution (Total 2)
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- 62 kmph
If speed of goods train=x kmph, relative speed=(50+x)
0.28/(50+x)=9/3600
x=62 - 11 years agoHelpfull: Yes(1) No(0)
- (50+x)*5/18*9=280
or x=62m/sec (ans)
- 11 years agoHelpfull: Yes(0) No(0)
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