A train 285 m long, running with a speed of 54 km / hr will pass a tree in
Pick:	A) 19 sec	B) 15 sec	C) 16 sec	D) 20 sec	E) none

Rationale: "sol . speed = ( 54 x 5 / 18 ) m / sec . = 15 m / sec . time taken = ( 285 x 1 / 15 ) sec = 19 sec answer a"
Answer: A