Student: A train running at the speed of 90 km/hr crosses a pole in 12 seconds. Find the length of the train?\nOptions:\n(A) 150\n(B) 872\n(C) 287\n(D) 288\n(E) 300.
Another student: Let's say, hmmm...

User
Speed = 90*(5/18) m/sec = 75/3 m/sec\nLength of Train (Distance) = Speed * Time\n(75/3) * 12 = 300 meter Final answer: (E).
Assistant