Vipin cycled to his friend's house, travelling at an average speed of 10 km/hr and then back home at an average speed of 15 km/hr. What is the average speed of the entire ride?
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7
Answer:
Let x=15 kmph and y=10 kmph
Average speed =
x+y
2xy
=
15+10
2×15×10
=
25
300
=12 kmph
Hence the average speed of the whole journey is 12 kmph
Step-by-step explanation:
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Answered by
0
Answer:12.5
Step-by-step explanation:
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