A truck covers 30km in the first hours, 40km in the 2nd hour and 60 km in the 3rd hour. What is the average speed of the truck during the whole journey?
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Your answer is 43.33 km/hr.
Explanation:
Total distance =30+40+60
=130km
Total time=3hrs
Average speed =total distance travelled /total
time taken
=130/3
=43.33 km/hr
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