MCQ PracticeA 120 meter long train is running at a speed of 90 km/hr. It will cross a railway platform 230 m long in :Subject: MathematicsTopic: Problems On TrainsA4 secondsB7 secondsC12 secondsD14 secondsCorrect Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the