Question : A 240 metre long train passes a telegraph post in 16 seconds. What is the speed of the train?
Option 1: 50 km/h
Option 2: 52 km/h
Option 3: 54 km/h
Option 4: 56 km/h
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Correct Answer: 54 km/h
Solution : Given: The distance of the train is 240 m and it takes 16 seconds to cross the telegraph post. We know that, $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$. To convert m/s into km/h, multiply with $\frac{18}{5}$, we get, So, the train speed is given as, $\frac{240}{16}$ m/s. $=\frac{240}{16}\times\frac{18}{5}=54$ km/h Hence, the correct answer is 54 km/h.
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Question : A moving train passes a 50-metre-long platform in 14 seconds and a lamp post in 10 seconds. The speed of the train (in km/hr) is:
Option 1: 24 km/hr
Option 2: 36 km/hr
Option 3: 40 km/hr
Option 4: 45 km/hr
Question : 150 metres long train passes a telegraphic post in 12 seconds. Find the speed of the train (in km/h).
Option 1: 50
Option 2: 12.5
Option 3: 25
Option 4: 45
Question : At what time will a 100 metres long train running at a speed of 50 km/h cross a pillar?
Option 1: 7 seconds
Option 2: 72 seconds
Option 3: 7.2 seconds
Option 4: 70 seconds
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
Question : If a train is 60 metres long and travelling at 36 km/hr, how long will it take to pass by a telegraph post?
Option 1: 9 seconds
Option 2: 8 seconds
Option 3: 7 seconds
Option 4: 6 seconds
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