It turns out you can only answer one question a day, not all at once. Resetting does work to get the correct answer for each question but you still must wait a day for the next question. Here are all the questions and answers:
Which place is famous for an old rusty crane truck?
The trucks that run on Route 4 come in three different colors: red, blue, and...what?
Which question is this?
Which Gym has a yellow drill car?
How many bulldozers are there in Twist Mountain?