When adding the Answers portlet to a page, you have to configure this portlet to make it work in your desired way.
Configuring the Answers portlet
Open the Edit mode of the page via one of the following ways:
The first way
i. Click → → on the top navigation bar.
ii. Click that corresponds to the page containing the Answers portlet in the Page Management page.
You can use the Search function to quickly find the page which has the Answers portlet.
The second way
When standing in the Answers application, click → →
Hover your cursor over the Answers portlet, then click on the quick toolbar that appears.
Now, you should be in the Edit Mode of the page.
Change the Answers settings to your preferences.