Question 26

A 200 metre long train is running at a speed of 72 km/ hr How long will it take to cross 800 metre long bridge ?

Solution

Speed of train = $$(72\times\frac{5}{18})=20$$ m/s

Total length = $$200+800=1000$$ m

Thus, time taken = $$\frac{1000}{20}=50$$ seconds

=> Ans - (A)

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