The less the acidity level, the faster a fruit will mold, so it would be the banana.
What Fruit Mold Faster?apple,orange,banana
A Banana
Banana as it is less acidic compared 2 the others. .
Banana also if you aren't sure you can try a experiment but put a fresh apple, orange, and banana out and everyday see which one mold faster
An orange mold faster then the other fruit