MCQ PracticeIf the n th term of an A.P. is 2n + 1, then the sum of first n terms of the A.P. isSubject: MathematicsTopic: ProgressionsAn(n - 2)Bn(n + 2)Cn(n + 1)Dn(n - 1)Correct Answer: BPractice 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