MCQ PracticeThe average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is :Subject: MathematicsTopic: AverageA34(2)/(7)B35C34D34.5Correct 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