A train with 1200m crosses a tree in 120sec, how much time will I take to pass a platform 700m long?
Pick one:
A) 150 sec
B) 130 sec
C) 190 sec
D) 200 sec
E) 100 sec

Rationale: s = 1200 / 120 s - 10 m / sec total length = 1900 m t = d / s t = 1900 / 10 t = 190 sec answer c
Answer: C