MCQ PracticeIn the expression xy 2 , the value of both variables x and y are decreased by 20%. By this, the value of the expression is decreased by :Subject: MathematicsTopic: PercentageA40%B48.8%C51.2%D80%Correct 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