MCQ PracticeFind the ratio between whole surfaces of a sphere and a hemisphere?Subject: MathematicsTopic: VolumesA3:4B4:3C3:1D1:3Correct 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