Home
Class 14
MATHS
One third of a certain journey is covere...

One third of a certain journey is covered at the rate of 25km/hours, one -fourth at the rate of 30 km/hour and the rest at 50km/hours. The average speed for the whole journey is

A

`35 km/h`

B

`33frac(1)(3)km/h`

C

`30 km/h`

D

`37frac(1)(12) km/h`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

One-fourth of a certain journey is covered at the rate of 25 km/h, one-third at the rate of 30 km/h and the rest at 50 km/h. Find the average speed for the whole journey.

One-third of a certain journey was covered at the speed of 20km/hr ,one - fourth at 30km/hr and the rest at the speed of 50km/hr .find the average speed peer hour for the whole journey.

A motorist travels to a place 150 km away at an average speed of 50 km/hour and returns at 30 km/hour. What is the average speed for the whole journey ?

A person covers half of his journey at 40km/h, one-third at 60 km/h and rest of journey at 30 km/h. Find his average speed for the whole journey.