Tuesday, December 11, 2012

Maths - Train - Problems

Maths -Train - Problems

1. Train passing a telegraph post or a man standing

      Time = Train Length divided by Train Speed

2. Train passing the platform or crossing a bridge

      Time = Train Length + Object Length
                  divided by Train Speed

3. Two trains running at the same direction

     Time = Total length of two trains
                 divided by Difference in Speed of two trains

4. Two trains running at opposite directions

      Time = Total length of two trains
                  divided by Sum of their speeds

5. Train passing a man moving against its direcion

      Time  = Train Length
                   divided by Sum of their speeds

6. Train passing a man moving in its direction

      Time = Train Length
                  divided by Difference in their speeds 
  
         

  

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