A train running at the speed of 48 km/hr crosses a pole in 9 seconds. What is the length of the train?	Select.
A) 140
B) 130
C) 120
D) 170
E) 160

Rationale: "speed = ( 48 x 5 / 18 ) m / sec = ( 40 / 3 ) m / sec . length of the train = ( speed x time ) . length of the train = ( 40 / 3 x 9 ) m = 120 m . answer is c ."
Answer: C