MCQ PracticeI paid Rs. 27.20 as sales tax on a watch worth Rs. 340. Find the rate of sales tax.Subject: MathematicsTopic: PercentageA8%B9%C10%D12%Correct 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