MCQ PracticeThe length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:Subject: MathematicsTopic: Problems On TrainsA200 mB225 mC245 mD250 mCorrect 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