Home
Class 14
MATHS
A man completes 30 km of a journey at th...

A man completes 30 km of a journey at the speed of 6 km/ hr and the remaining 40 km of the journey in 5 hours. His average speed for the whole journey is

A

7 km/hr

B

`6 (4)/(11)`km/ hr

C

8 km/hr

D

7.5 km/hr

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5 h. Find the average speed for the whole journery.

A bus covers the first 10km of its journey at an average speed of 40 km/h and the remaining 45 km at an speed of 60 km/h. The average speed of the bus for its total journey is

A bus covers the first 10 km of its journey at an average speed of 40 km/h and the remaining 45 km at an speed of 60 km/h. The average speed of the bus for its total journey is

A car travels a distance of 45 km at a speed of 15 km/hr. It covers the next 50 km of its journey at the speed of 25 km/hr and the last 25 km of its journey at the speed of 15 km/hr. What is the average speed of the car?