MCQ PracticeThe time taken by a train 180 m long, travelling at 42 kmph, in passing a person walking in the same direction at 6 kmph, will beSubject: MathematicsTopic: Problems On TrainsA18 secB21 secC24 secD25 secCorrect Answer: APractice 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