A man travels first 150 km of his journey at 80 km/hr. Due to bad weather he travels the next 150 km of his journey at 60 km/hr. What is his average speed for the first 300 km of his journey?
| Question | A man travels first 150 km of his journey at 80 km/hr. Due to bad weather he travels the next 150 km of his journey at 60 km/hr. What is his average speed for the first 300 km of his journey? | |
| Type | multiple_choice | |
| Option | 60.6 km/hr | incorrect |
| Option | 63.6 km/hr | incorrect |
| Option | 66.6 km/hr | incorrect |
| Option | 68.6 km/hr | correct |
Total distance = 300 km
The total time taken to cover the first 300 km is the sum of the time taken to cover the first 150 km and the next 150 km.
