MCQ PracticeA train 150 metres long takes 20 seconds to cross a platform 450 metres long. The speed of the train in, km per hour is :Subject: MathematicsTopic: Time DistanceA100 km/hrB106 km/hrC108 km/hrD104 km/hrCorrect 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