A person starting from his house covers a distance at 15km/hr and returns to the starting place at 10km/hr.His average speed whole journey is
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Answered by
11
Average Speed = (15+10)/2
= 1
12-- km/hr
2
= 1
12-- km/hr
2
Answered by
3
Its 12.5....u can obtain the answer by adding 15 nd 10 then dividing the sum by 2
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