Question : A person travels a distance of 300 km and then returns to the starting point. The time taken by him for the outward journey is 5 hours more than the time taken for the return journey. If he returns at a speed of 10 km/hr more than the speed of going, what is the average speed (in km/hr) for the entire journey?
Option 1: 20
Option 2: 15
Option 3: 24
Option 4: 30
Correct Answer: 24
Solution :
Let the speed of the outward journey as
The time taken for the outward journey =
The time taken for the return journey =
Given that the time taken for the outward journey is 5 hours more than the time taken for the return journey.
Hence, the correct answer is 24.
