Ten coins are tossed simultaneously

Ten coins are tossed simultaneously. In how many of the outcomes will the second coin turn up a head?

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #33161

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your answer

Checked against the answer in AQuA-RAT.