Your answer
choiceOn which day was the pond exactly half covered?
- day24 | Day 24
- day47 | Day 47
- day15 | Day 15
- day29 | Day 29
Jev example · Reasoning puzzles
The almost-full lily pond
Exponential growth, not halfway through the calendar.
Model challengeschoice
State
This is the context Jev receives before answering the typed question.
{
"rule": "The covered area doubles once per day.",
"first_fully_covered_day": 48
}Typed questions (1)
Try changing the scenario
Change 'doubles' to 'triples' and ask for one-third coverage.
Catalog source: TypeSafeAI/typesafe-playground, reused under MIT. This is an independent community catalog, not an official TypeSafe AI product.
Background source: Test-family inspiration: BIG-Bench Hard; these puzzles are independently authored.