A 120-meter-long train takes 6 seconds to pass a telegraph post. What is the speed of the train?
- A. 55 km/hr
- B. 62 km/hr
- C. 72 km/hr
- D. 85 km/hr
- 72 km/hr
Please select one of the options to reveal the correct answer.
Please select one of the options to reveal the correct answer.