MCQ PracticeIf the speed of a boat in still water is 20km/hr and the speed of the current is 5km, then the time taken by the boat to travel 100 km with the current is?Subject: MathematicsTopic: Boats And StreamsA2 hoursB3 hoursC4 hoursD7 hoursCorrect 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