A train covers a distance of 12 km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?
A.90 m
B.100 m
C.120 m
D.140 m
Answer:C
A train covers a distance of 12 km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?
A.90 m B.100 m C.120 m D.140 m