The average of five numbers is 60

The average of five numbers is 60. If one number is excluded, the average becomes 65. The excluded number is?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #43187