Question : A goods train 350 m long passes through a tunnel of length 1250 m in 80 seconds. What is the speed of the train?
Option 1: 64 km/hr
Option 2: 56 km/hr
Option 3: 78 km/hr
Option 4: 72 km/hr
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Correct Answer: 72 km/hr
Solution : Total distance = 1250 + 350 = 1600 m Total time = 80 seconds Speed = $\frac{1600}{80}$ = 20 m/s = 20 × $\frac{18}{5}$ = 4 × 18 = 72 km/hr Hence, the correct answer is 72 km/hr.
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Question : A train, 500 metres long and running at a uniform speed, passes a station in 35 seconds. If the length of the platform is 221 metres, the speed of the train in km/h is:
Question : A passenger train running at the speed of 80 km/h leaves the railway station six hours after a goods train leaves and overtakes it in four hours. What is the speed of the goods train?
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