A train running at the speed of 30 km/hr crosses a pole in 12 seconds. What is the length of the train? Pick.
A) 70	B) 80	C) 90	D) 100	E) 110
Speed=(30 x(5/18)m/sec	=(25/3)m/sec.   Length of the train = (Speed x Time).   Length of the train =	((25/3)x 12)m = 100 m   100
<result>D</result>
A train running at the speed of 30 km/hr crosses a pole in 12 seconds. What is the length of the train?