MCQ PracticeA train 100 meter long meets a man going in opposite direction at 5 km/h and passes him in 7 1 / 5 seconds. What is the speed of the train (in km/hr)?Subject: MathematicsTopic: Problems On TrainsA45 km/hB60 km/hC55 km/hrD50 km/hrCorrect Answer: APractice 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