MCQ PracticeIn how many ways 2 students can be chosen from the class of 20 students?Subject: MathematicsTopic: Permutations And CombinationsA190B180C240D390Correct 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