In what time will a train 250 metres long cross an electric pole, if its speed be 162 km/hr? Choose the correct choice from the following answers:
A) 4 sec	B) 5 sec	C) 5.55 sec	D) 6.55 sec	E) 4.55 sec

Rationale: "solution speed = ( 162 x 5 / 18 ) m / sec = 45 m / sec time taken = ( 250 / 45 ) sec = 5.55 sec . answer c"
Answer: C