Lemma
MediumDigits
AQuA-RAT train #11153 · Number Theory · Digits

How many two-digit numbers are there such that all two digits are…

How many two-digit numbers are there such that all two digits are different and the first digit is not zero?

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #11153

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your answer

Checked against the answer in AQuA-RAT.