human
Question: Tobias rode his bike on a road for a 2 hr period. On average, he passed a 1 km marker every 3 min during this period. Which of the following was his average speed for this 2 hr period?

Choices:
A) 10 km/hr
B) 15 km/hr
C) 20 km/hr
D) 25 km/hr
gpt
The correct answer is 2: 20 km/hr.