A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:45 km/hr50 km/hr54 km/hr55 km/hr
Question
A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:45 km/hr50 km/hr54 km/hr55 km/hr
Solution
To solve this problem, we first need to understand that the speed of the train relative to the man is the distance divided by the time.
The distance in this case is the length of the train, which is 125 meters. The time is 10 seconds.
So, the relative speed = 125m / 10s = 12.5 m/s.
However, the question asks for the speed of the train in km/hr. To convert from m/s to km/hr, we multiply by 3.6.
So, the relative speed = 12.5 m/s * 3.6 = 45 km/hr.
But this is the speed of the train relative to the man, who is also running at 5 km/hr in the same direction.
Therefore, the actual speed of the train is 45 km/hr + 5 km/hr = 50 km/hr.
So, the correct answer is 50 km/hr.
Similar Questions
A train of length 200 meters crosses a man running at 10 km/hr in the same direction in 10 seconds. What is the speed of the train?
A train engine of 400m long traveling at the speed of 40kmph. A man next to a railway track is walking at the speed of 5kmph in the opposite direction of the train. What is the time takes by the train to cross the man?Question 16Answera.32 secb.46 secc.60 secd.50 sec
A train 350m long takes 35s to cross a man running at aspeed of 5kmph in the direction same to that of train.What is the speed of the train
A man travels 240 km partly by a train and partly by a car. If he covers 160 km by the train and rest by the car, it will take 3 hours 30 minutes. But if he travels 100 km by the train and the rest by the car. It will take 20 minutes more. What is the speed of the train(approximately)?
A train 150 m long is running at a speed of 68 kmph. How long does it take to pass a man who is running at 8 kmph in the same direction as the train?
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.