The challenge for Thursday, September 17, 2026

The four questions from that day on GutGuesser. The answers aren't here: you find them by playing.

1.How many olives does one olive tree give in a year?

Food · Source: Agronomía del olivar, producción media por árbol

Transport · Source: SITA, informe anual de equipajes

Human body · Source: Human Oral Microbiome Database

Animals · Source: Neurobiología de cefalópodos

Think you'd get close?

We don't publish the answers. Every day there are four new questions, one minute, and whoever gets closest wins.