MCQ PracticeA 280 meter long train crosses a platform thrice its length in 50 seconds. What is the speed of the train in km/hr?Subject: MathematicsTopic: Problems On TrainsA60.48B64.86C80.64D82.38 E. None of theseCorrect Answer: CPractice 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