MCQ PracticeA metallic sphere of radius 5 cm is melted to make a cone with base of the same radius. What is the height of the cone ?Subject: MathematicsTopic: Volume And Surface AreaA5 cmB10 cmC15 cmD20 cmCorrect 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