MCQ PracticeIf the heights of two cones are in the ratio 7 : 3 and their diameters are in the ratio 6 : 7, what is the ratio of their volumes ?Subject: MathematicsTopic: Volume And Surface AreaA3 : 7B4 : 7C5 : 7D12 : 7Correct 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