Home
Class 6
MATHS
A man covers a distance of 40km.He cover...

A man covers a distance of 40km.He covers first 10km at 10km/h, second 10 km at 20km/h, third 10 km at 30km/h and last 10km at 40km/h. What is the average speed of man?

A

18.2 km/h

B

19.2 km/h

C

19.0 km/h

D

16.2 km/h

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

A car covers first 10 km with 40 km/hr next 10 km with 60 km/hr and next 10 km in 20 km/hr . What is the average speed of the car .

A covered half of his journey at 20 km/h and rest at 60 km/h. What is the average speed of the man?

A man covered half of the distance at 3x km/h and rest at 5x km/h. What is the average speed of the man?

A man covered half of the distance at 3x km/h and rest at the 5x km/h.What is the average speed of man?

A man travelled 12 km at a speed of 4 km/hr and further 10 km at a speed of 5 km/hr. What was his average speed ?

During a journey of 80 km a train covers first 60km with a speed of 40 km/h and completes the remaining distance with a speed of 20 km/h. What is the average speed of the train during the whole journey?

A covers 1/3 rd of his journey at the speed of 10 km/h and half of the rest at the speed of 20 km/h and rest at the speed of 30 km/h. What is the average speed of A?