Look at this series: 21, 9, 21, 11, 21, 13, 21,

Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #29094

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your answer

Checked against the answer in AQuA-RAT.