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A train speeds past a pole in 20 secon...

A train speeds past a pole in 20 seconds and speeds past a platform 100 metres in length in 30 second; What is the length of the train? `100\ m` b. `150\ m` c. `180\ m` d. `200 m` e. none of these

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RS AGGARWAL-PROBLEMS ON TRAINS-All Questions
  1. A train passes a station platform in 36 second, a man standing on th...

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  2. Train A crosses a stationary train B in 50 second and a pole in 20 ...

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  3. A train speeds past a pole in 20 seconds and speeds past a platform ...

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  4. A train crosses a platform 100 m long in 60 seconds at a speed of 4...

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  5. A train, 150 m long, takes 30 seconds to cross ' bridge 500 m long....

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  6. A train passes a platform 90 m long in 30 seconds and a man standin...

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  7. A train running at a certain speed takes 20 seconds to cross a signa...

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  8. Atrain travelling with a constant speed crosses a 96-metre long platfo...

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  9. The time taken by a train 180 m long, travelling at 42 kmph, in pass...

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  10. A train with 90 km/hr crosses a bridge in, 36 seconds. Another trai...

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  11. A jogger running at 9 kmph alongside a railway track is 240 metres ...

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  12. A train 110 metres long is running with a speed of 60 kmph. In what...

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  13. Two trains 200 metres and 150 metres long are running on parallel r...

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  14. Two trains A and B start running together from the same point in th...

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  15. Two trains of lengths 120 m and 90 m are running with speeds of 80 ...

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  16. Two trains are coming from opposite directions with speeds of 75 km/hr...

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  17. A train 125 m long passes a man, running at 5 kmph in the same directi...

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  18. A train 400 m long overtook a man walking along the line in the same...

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  19. A train, 240 m long, crosses a man walking along the line in opposi...

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  20. A train 75 m long overtook a person who was walking at the rate of 6...

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