MCQ PracticeA boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of current are respectively.Subject: MathematicsTopic: Boats And StreamsA4 kmph and 3 kmphB4.5 kmph and 0.5 kmphC4 kmph and 2 kmphD5 kmph and 2 kmphCorrect 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