Home
Class 14
MATHS
A travels 15 km with a speed of 30 km/h....

A travels 15 km with a speed of 30 km/h. He another 25 km with a speed of 10 km/h. What is his average speed for the entire journey?

A

`(40)/(3)` km/h

B

`(80)/(3)` km/h

C

20 km/h

D

12 km/h

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

A travels 15 km with a speed of 30 km/h. He travels another 25 km with a speed of 10km/h. What is his average speed for the entire journey? A 15 km की दूरी को 30 km/h की चाल से तय करता है। वह 10 किमी /घंटा की गति के साथ 25 किमी की यात्रा और करता है। पूरी यात्रा के लिए उसकी औसत गति कया है?

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 ?

Knowledge Check

  • A person goes from A to B with a speed of 30 km/h. He comes back from B to A with a speed of 20 km/h. What is his average speed for the entire journey ?

    A
    `27.5km/h`
    B
    `26.5km/h`
    C
    `25km/h`
    D
    `24km/h`

  • A person covers 40% of a distance with a speed of 60 km/h and the remaining with a speed of 40 km/h. What is his average speed for the whole journey in km/h?

    A
    `500/11`
    B
    `600/13`
    C
    `500/13`
    D
    `600/11`

  • If you travel 39 km at a speed of 26 km/h, another 39 km at a speed of 39 km/h and again 39 km at a speed of 52 km/h, what is your average speed for the entire journey?

    A
    39 km/h
    B
    37 km/h
    C
    33.33 km/h
    D
    36 km/h

    • Similar Questions

    Explore conceptually related problems

    A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.

    Mr X travels 6km at a speed of 12km/hr and 15km at a speed of 19km/hr .What is the average speed during the entire journey?

    If a person travels 60 km at a speed of 30 km/h and the next 120 km at a speed of 40 km/h then find the average speed of the person for the total journey .

    A car travels a distance AB at a speed of 40 km/hr and returns to A at a speed of 30 km/hr. What is the average speed for the whole journey?

    A train goes from P to Q with an average speed of u km/h and returns from Q to P with an average speed of v km/h. What is its average speed for the entire journey in km/h?

    Home
    Profile