From LivingPianos.

FULL ARTICLE: https://livingpianos.com/musical-test-how-good-is-your-ear/
There are 4 different types of triads: Major, minor, diminished, and augmented. Each of these can be in root position, where the root of the chord is on the bottom, or inverted with the bottom note of the chord on top, or the top note of the chord on the bottom! You can see how well you can hear the difference between these chords, and let us know how well you did in the comments. and let us know if you’d like more videos like this!