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Title : Quantitative Ability Problems on Trains Solved Set
Published By : jeeva
Posted on: 25 - October - 2012
Edited on: 25 - October - 2012
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Question: A train 330 m long running at the speed of 110 kmph crosses another train running in opposition direction at the speed of 90 kmps in 9 seconds. Then find the length of other train?

 

Type:

    Type 4 problem.

 

Summary:

    Speed of the Train = 200 kmph (110 kmph Train 1 + 90 kmph Train 2)

    Lenght of the Train = 330 m + X

    Train Crossed in 9 seconds.

 

Formula

    200*1000 = 3600

         x              9

     2,00,000 * 9 = 3600 x

     x = 18,000/36

     x = 500

 

     Total length is 500 m

=> Length of other Train is 170 m (500 m - 330 m)

 

Answer 170 m

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