If the diameter of circle R is 40% of the diameter of…

If the diameter of circle R is 40% of the diameter of circle S, the area of circle R is what percent of the area of circle S?

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 #6754