Translation:The thirty-fourth car is not black either, but grey.
I selected "harmincegyedik" and it was marked correct without any note about typos etc.
Very much true, that's why I wonder why the wrong selection was accepted without saying anything about it =)
Sometimes if you have to type out the word and you are only one letter off, DL will let you slide and will mark it correct. ie. if you type töltöt instead of töltött. In your case, the mistake is more obvious than omitting the double T