A Person walks along a straight road from his house to a market 2.5kms away with a speed of 5km/hr and instantly turns back and reaches his house with a speed of 7.5kms/hr. The average speed of the person during the time interval 0 -50 minutes is
Answers
Answered by
1
Answer:
6km/hour
Explanation:
2500 metre in speed of 5km/hour will take 30 minutes and for coming back with 7.5km/hour will take 20 minutes.he had taken 50 minutes to cover 5 km.100metre/minutes means 6km/hour.
Similar questions