Question

Numerical
a motorcyclist cover 40 kilometre in 1.2 hours 30 kilometre in next 1 hour and 20 km in 0.8 hours what is his average speed? (average speed = total speed / total time)
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Answer 1

Answer:

avg.= total distance/total time

1)Total distance=40+30+20=90KM

2)Total time=1.2+1+0.8=3 hours

so,

avg.speed=90/3=30km/hr

Explanation:

hope it helps you!!!!

Answer 2

Solution:-

Average speed = total speed/total time

= (40+30+20)÷(1.2+1.0+0.8)

= 90 ÷ 3

= 30

Therefore, average speed is 30kmph.