Question

A woman goes from her house to the market 1 km away in 20 mins and comes back in 15 mins. What is the average speed ?

Answer 1

Answer:

Given = d1 = 1 km =1000m s1 = 20 Min s2 = 15 min.

Average speed = Total distance covered / Total time taken

Average speed = 1000 m / 20 min + 15 min

average speed = 1000 m / 35 min

average speed = 28.57143

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Answer 2

Answer:

57.143m/min

Explanation:

Average speed =Distance covered/Total time =(1km+1km)÷(20+15)min=2km÷35min=2000m÷35min=57.143m/min