Question Quiz Game: How to make different types of questions come up randomly?

Hi I'm currently making a quiz game for my uni research project. I've made a scene for true/false questions and a different scene for multiple choice questions. But now I want to know how i can put them both together into the quiz. Both scenes work well individually and bring up each question that's set to that scene in a random order.

My aim is to bring both scenes together so that both scenes pop up in a random order (e.g. first a true/false question turns up, then a multiple choice, followed by two true/false etc.).

Any help would be much appreciated. Plus I'm a novice with this and want to start getting into game development too! Thanks