MCQ PracticeThe speed of a boat in still water is 2km/hr. If its speed upstream be 1km/hr then speed of the stream is________?Subject: MathematicsTopic: Boats And StreamsA1.5km/hrB3km/hrC1km/hrDnoneCorrect 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