How do you obtain the centre of the gravity position?

Question

Question EASA Drone Quiz - Flight performance and planning

QuizVDS · Accepted Answer

There are no limitations unless they are written in the flight manual

QuizVDS · Answer

Extremely unstable

QuizVDS · Answer

It depends on whether there are odd or even numbers of engines

QuizVDS · Answer

Neither stable or unstable

Id 40 - EASA Drone Quiz – Drone Pilot Certification - How do you obtain the centre of the gravity position?