MCQ PracticeA 120 metres long train is running at a speed of 90 km per hour. It will cross a railway platform 230 m long in ?Subject: MathematicsTopic: Time DistanceA4frac45 secB9frac15 secC7 secD14 secCorrect 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