Correct option is C
Given
Part 1: 10 hours at 24 km/h
Part 2: 6 hours at 60 km/h
Formula Used
Average Speed =
Solution
Distance 1 = 10 24 = 240 km
Distance 2 = 6 60 = 360 km
Total Distance = 240 + 360 = 600 km
Total Time = 10 + 6 = 16 hours
Average Speed = = 37.5 km/h
Final Answer
So the correct answer is (c)