MCQ PracticeA does 20% less work than B. If A can complete a piece of work in text7frac12 hours, then B can do it in?Subject: MathematicsTopic: Time And WorkA5 hoursB4 hoursC6 hoursD7 hoursCorrect 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