Class/Course - Competitive Exams (Graduation Based)

Subject - Quantitative Aptitude

Chapter - Boats and Streams


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Q.1 At his usual rowing rate, Rahul can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24-mile round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour ?