The average age of 60 students in a class is 10years

The average age of 60 students in a class is 10years. If teacher's age is also included then average increases 1year then find the teacher's age?

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 #20121