Final answer:
The eligibility criteria for both Class A and B licenses mandate the recipient to be at least 15 years old.
Step-by-step explanation:
In order to obtain either a Class A or B license, individuals must meet the prerequisite of being a minimum of 15 years old. This age requirement ensures a certain level of maturity and readiness for the responsibilities that come with operating vehicles falling under these license categories. Class A licenses typically pertain to a broader range of vehicles, such as tractor-trailers and combination vehicles, while Class B licenses cover slightly smaller commercial vehicles, like buses and trucks.
This age stipulation serves as a fundamental safety measure, allowing individuals to gain adequate experience and understanding before handling these larger or more complex vehicles on public roads. Thus, by reaching the age of 15, aspiring license holders can begin the process of learning, training, and eventually obtaining the necessary skills and qualifications for either a Class A or B license.
In summary, the correct answer is that both Class A and B licenses require the potential recipient to be at least 15 years old.