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A vehicle starts at A with a speed of 20
km/hr and reaches B. then the vehicle
returns to starting point A on the same path
with a speed of 80 km/hr. What is the
average speed?
30 kmph
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Answered by
0
Answer:
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Explanation:
Answered by
0
Answer:
the answer is 32 Km/hour
Explanation:
let the distance from A to B is 80 km
Time taken to travel A to B @ 20km/hr = 4 hours
Time taken to travel from B to A @80km/hr = 1 hour
average speed = total distance/total time
= (80+80)/(4+1) = 160/5 = 32 km/hr
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