I use a couple of words of pronounceable gibberish, like merbl krasnk. Same answer for all questions. At a few sites, the answers are required to be different,

I use a couple of words of pronounceable gibberish, like merbl krasnk. Same answer for all questions. At a few sites, the answers are required to be different, so I add a letter or two to the end. All of it goes in my password manager.