a speeding train passes a sign pole in 2 second and the platform 100 metre long in 9 second find the length of the train and its speed.
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Answer:
You can solve this question in very simple way
As per proportion ratio =D*(t2/t1)
hence , 400* 39/20 =780m
so ,the length of the platform with respect to train
780-400=380m
Step-by-step explanation:
Hope it helps you
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