A bag contains 6 white and 4 black balls

A bag contains 6 white and 4 black balls. 2 balls are drawn at random. Find the probability that they are of same color.

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 #54508