Tap the ‘Edit 3 questions’ button located below your profile picture and bio.

On the next screen, enter what you want to ask for each of the three questions. 

Tap ‘Save’ in the text box when you’ve finished typing for each question. When you’re good to go, simply tap ‘Done’ at the bottom of the screen. You can also tap the ‘Edit’ option next to each of the three questions if you decide you want to make any last-minute changes before tapping ‘Done.’