A batsman in his 15th innings makes a score of 85, and…

A batsman in his 15th innings makes a score of 85, and thereby increases his average by 3. What is his average after the 15th innings? He had never been ’not out’.

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 #72440