You made a slight mistake in your citation. The banana-orange is not a question, it is an example given to the subject.
ETA
Trump’s exact words
“I took it at Walter Reade, a medical center in front of doctors, and they were very surprised. They said ‘that’s an unbelievable thing. Rarely does anybody do what you just did.'”
The idea of bragging about the test is evidence how clueless he is. The icing on the cake is that he is so bad at bragging. Instead of saying doctors were amazed at my high score, he says “doctors said ‘Rarely does anybody do what you just did.’” For all we know the doctors’ response could have been after POTUS said the current year is potato, the current month is the-ramp-was-slippery and the current date is ◊◊◊◊◊◊-◊◊◊◊◊◊-Olé-Biscuitbarrel.