Answer these yourself. There is a second round on voice notes covering the same ground. Answers that don't match how you reason out loud end the process, so a high score you can't back up is worse than an honest average one.

One attempt. The timer starts when you press begin and does not pause. You can't go back to a previous question.

Leaving this tab is recorded. So is the time you spend on each question.

Nothing here needs a calculator app — but paper and a pen are fine.