MCQ PracticeA train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is:Subject: MathematicsTopic: Problems On TrainsA50 mB150 mC200 mDData inadequateCorrect Answer: BPractice 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