Given that the quiz has;
A multiple-choice question with 6 possible answers
A multiple-choice question with 3 possible answers
In the first question;
⇒The 6 choices,each has the probability of 1/6 to be picked
In the second question;
⇒The three choices, each has a probability of 1/6 to be picked
1/3
Finding the probability that both responses are correct will be;
1/6* 1/3=1/18
As a percentage will be
1/18 * 100= 5.6%