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The challenge for Wednesday, September 23, 2026

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

1.How many people crew a giant container ship?

Transport · Source: Convenio de dotación mínima, buques portacontenedores

2.How wide was the asteroid that finished off the dinosaurs?

Space · Source: Geología del impacto de Chicxulub

3.How much blood do the kidneys filter in a day?

Human body · Source: Filtrado glomerular, 125 ml/min

4.How tall does a saguaro cactus get?

Nature · Source: Botánica de Carnegiea gigantea

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.

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