A 1400 m long train crosses a tree in 100 sec, how much time will It take to pass a platform 700 m long?	Choose the correct choice from the following choices
A) 288 B) 190 C) 150 D) 188 E) 12

Rationale: "l = s * t s = 1400 / 100 s = 14 m / sec . total length ( d ) = 2100 m t = d / s t = 2100 / 14 t = 150 sec answer : c"
Answer: C