A train 335 m in length crosses a man standing on a platform , in 20 secs Find the speed of the train. How long will it take to pass a platform of length 201m

Dear Student,

Please find below the solution to the asked query:

Given : A train 335 m long crosses a man standing on platform in 20 seconds . So,

Distance =  335 m and Time  =  20 sec

We know :  Speed  = $\frac{\mathrm{Distance}}{\mathrm{Time}}$ , Then

Speed of train  = $\frac{335}{20}$ = 16.75 m / sec

Also given :  train to cross a platform 201 m long , So total distance train has to cover  =  201 + 335 =  536 m

Therefore,

 The time taken by the train to cross a platform 201 m long  = $\frac{536}{30} = \frac{\mathbf{134}}{\mathbf{5}}\mathbf{ }\mathbf{=}\mathbf{ }\mathbf{26}\mathbf{.}\mathbf{8}$ Sec                                            ( Ans )

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