A train 300 m. long is running with a speed of 54 km/hr. In what time will it cross a telephone pole?
A. 16 sec
B. 20 sec
C. 18 sec
D. 22 sec
Answer:B
A train 300 m. long is running with a speed of 54 km/hr. In what time will it cross a telephone pole?
A. 16 sec B. 20 sec C. 18 sec D. 22 sec