MCQ PracticeThe sum of first n odd natural numbers inSubject: MathematicsTopic: ProgressionsA2n - 1B2n + 1Cn 2Dn 2 - 1Correct Answer: CPractice 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