MCQ PracticeTwo numbers are respectively 20% and 50% of the third number. What percent is the first number of the second ?Subject: MathematicsTopic: PercentageA10%B20%C30%D40%Correct Answer: DPractice 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