# A 250-meter-long train takes 50 seconds to cross a tree. What is the speed of the train in km/h?

- A. 18 km/h
- B. 16 km/h
- C. 14 km/h
- D. 12 km/h

- 18 km/h

Please select one of the options to reveal the correct answer.

- A. 18 km/h
- B. 16 km/h
- C. 14 km/h
- D. 12 km/h

- 18 km/h

Please select one of the options to reveal the correct answer.