MCQ PracticeIf 90% of A = 30% of B and B = 2x% of A, then the value of x is :Subject: MathematicsTopic: PercentageA450B400C300D150Correct 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