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Question 65
A train 110 m in length is travelling at the speed of 58 km/h. The time taken in which it will pass a passer by walking at the rate of 4 km/h in the same direction is
Solution
Speed of train = 58 km/hr and speed of passer by = 4 km/hr
Relative speed = $$58-4=54$$ km/hr = $$54\times(\frac{5}{18})=15$$ m/s
=> Time taken to cross the passer by = $$\frac{110}{15}=7\frac{1}{3}$$ seconds
=> Ans - (C)
