MCQ PracticeA man travels 210 km with the speed of 60 km/hr and next 198 km with the speed of 66 km/hr. Find the average speed of the whole journey.Subject: MathematicsTopic: Time DistanceA68.5 km/hrB64.5 km/hrC63 km/hrD62.8 km/hrCorrect Answer: DPractice 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