MCQ PracticeA train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train is:Subject: MathematicsTopic: Problems On TrainsA48 km/hrB54 km/hrC66 km/hrD82 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