MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Average Speed

A car moving ...

Question

A car moving on a straight road covers one third of the distance with a speed of 20 km/hr and the rest with the speed of 60km/hr . The average speed of car is (1)40 km /hr (2)50 km/hr (3)36km/hr (4)55km/hr

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. A car travels the first one third of a certain distance with a speed of 10 km/hr, the next one third with a speed of 20 km/hr and the last one third distance with a speed of 60 km/hr The average speed of the car for the whole journey is

Q. A car covers half of the distance with speed

60 k m / h r

and rest of the half with speed

30 k m / h r

. The average speed of the car is -

Q. A car covers

4

3

km stretches at speeds of

10

20

30

60

km/hr respectively. The average speed of the car for the entire journey is

Q. A car travels

{\frac{1}{3}}^{r d}

distance on a straight road with a velocity of 10 km/hr, next

{\frac{1}{3}}^{r d}

with velocity 20 km/hr and the last

{\frac{1}{3}}^{r d}

with velocity 60 km/hr. What is the average speed of the car in the whole journey?

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Average speed

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon