MCQ PracticeIf one pipe A can fill a tank in 20 minutes, then 5 pipes, each of 20% efficiency of A, can fill the tank in:Subject: MathematicsTopic: Time And WorkA80 minB100 minC20 minD25 minCorrect 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