MCQ PracticeIf A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?Subject: MathematicsTopic: Time And WorkA60B45C40D30Correct 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
