MCQ PracticeA train 300 metres long takes 40 seconds to cross a platform 900 metres long. The speed of the train in, km per hour is :Subject: MathematicsTopic: Time DistanceA102 km/hrB104 km/hrC106 km/hrD108 km/hrCorrect 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