Practicing Success
150 m long train crossed a person standing on platform in 9 seconds. The speed of train in km/hr is |
\(\frac{50}{3}\) 60 \(\frac{50}{9}\) \(\frac{250}{54}\) |
60 |
When a train cross a man then the distance traveled by train is equals to length of train. Now, Speed = \(\frac{Distance}{Time}\) Distance = length of train = 150m Time = 9 sec Speed of train = \(\frac{150}{9}\) m/sec = \(\frac{50}{3}\) m/sec = \(\frac{50}{3}\) × \(\frac{18}{5}\) km/hr = 60 km/hr |