How much dirt is in a hole 3 feet deep, wide, and long?
A hole is 3 feet deep, 3 feet wide, and 3 feet long. How many cubic feet of dirt are in it?
Reveal the answer
None — it's a hole, so there's no dirt in it. The number-crunching answer, 27 cubic feet (3×3×3), is what almost everyone blurts out first. This is one of four items in the CRT-2, a 2016 extension of the famous Cognitive Reflection Test built to catch people who've simply memorized the original three questions.