MCQ PracticeA man can swim in still water at 4.5 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is_________?Subject: MathematicsTopic: Basic MathsA3B7.5C2.25D1.5Correct Answer: DPractice QuizBack to MCQsRelated MCQsI expect you from school by this time next year and for a job.Fill in the blank with the most appropriate word. She asked him where __________Fill in the blank with a suitable option: Nancy ___________to play tennis tomorr