When answering questions you will need to know the type of question you are trying to answer. The image above shows a single answer question, you need to enter the most obvious choice for this answer.

In the example shown , you could enter either 85 or eighty five. The correct solution set by admins will determine if you are correct, in the above example either would be accepted, and caps lock would make no difference, so EigHty FiVe would still be accepted.

The image also shows the amount of points for this question, that the site admins have allocated to this question only, together with the help system being turned on, that also informs you that more than one answer may be required. This may be turned off by admins.