A person starting from his house covers a distance at 15 km/hr and returns to the starting place at 10 km/hr. His average speed during whole journey is..
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Answered by
2
Answer:
12.5 km/hr
Step-by-step explanation:
we know that average speed = initial speed+Final speed/2
initial speed =15km/hr
final speed = 10km/hr
therefore, average speed =10+15/2
25/2 =12.5 km/hr
Answered by
0
Answer:
1/12.5 km/hr
Step-by-step explanation:
full solution is given in the picture above.
hope it helps
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