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Grade: 12th pass

                        

A man walk on a straight road from his home toa a market 2.5 km away with a speed of 5km/h. Finding the market closed he instantly turns and walk back home with a speed of 7.5 km/h the average speed of the man over the interval bof time 0to 40 min.is equal to

2 years ago

Answers : (1)

Sushmita sengar
10 Points
							
A train has a speed of 60km/h for the first one hour and 40km/h for the next half hour its average speed in km/h
2 years ago
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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