MCQ PracticeIn an A.P., if d = -4, n = 7, a n = 4, then a isSubject: MathematicsTopic: ProgressionsA6B7C20D28Correct 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