MCQ PracticeA train is 250 m long. If the train takes 50 second to cross a tree by the railway line, then the speed of the train on Km /hr is :Subject: MathematicsTopic: Time DistanceA9 km/hrB5 km/hrC18 km/hrD10 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