36.	A 240 m long train crosses a platform of equal length in 27 s. What is the speed of the train in km/h?	Choices.
A) 48
B) 60
C) 56
D) 64
E) 68

Rationale: by the formula , speed = distance / time = ( 240 + 240 ) / 27 x ( 18 / 5 ) = 480 / 27 x 18 / 5 = 64 km / h answer : d
Answer: D