Question

One car has 1/3 of distance has 10 kmhr speed after 1/3 distance 20 kmhr speed after 1/3 of distance 60 kmhr speed then what is car avg speed

Answer 1

Answer:

Average speed = total distance /total time

1/3×10=10/3

1/3×20=20/3

1/3×60=60/3

60/3+20/3+10/3=90/3=30km/h