Class VI

Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:
  1. 10
  2. 18
  3. 36
  4. 72
A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train?
  1. 230 m
  2. 240 m
  3. 260 m
  4. 270 m
.Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
  1. . 1 : 3
  2. 3 : 2
  3. 3 : 4
  4. None of these
Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is:
  1. 36
  2. 45
  3. 48
  4. 49
A 300 metre long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?
  1. 320 m
  2. 350 m
  3. 650 m
  4. Data inadequate
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