A 1200 m long train crosses a tree in 80 sec, how much time will I take to pass a platform 1000 m long? Select
A) 288	B) 146.66	C) 188	D) 180	E) 12

Rationale: "l = s * t s = 1200 / 80 s = 15 m / sec . total length ( d ) = 2200 m t = d / s t = 2200 / 15 t = 146.66 sec answer : b"
Answer: B