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?

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?
QuestionA 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?
Typemultiple_choice
Option60.6 km/hrincorrect
Option63.6 km/hrincorrect
Option66.6 km/hrincorrect
Option68.6 km/hrcorrect
Solution :

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.

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