Question 01 · Estimation
This question comes back in an upcoming challenge, so it stays hidden until that day is over.
The five questions everyone played that day, in the order they were asked, with the correct answers and why they are right.
Too few players took part this day for results to be shown.
This question comes back in an upcoming challenge, so it stays hidden until that day is over.
Everyone who boards the ferry is searched. Sam was not searched. What follows?
Boarding always comes with a search, so someone who wasn't searched can't have boarded. Nothing is said about tickets, so those options go beyond the facts. From “if A then B” and “not B”, you may conclude “not A”.
Shown for 4 seconds, then hidden:
K 4 P 8 R 2
What came right after P?
The sequence was K, 4, P, 8, R, 2, so 8 followed P. Letters and numbers alternated — noticing such a structure while you look makes the list easier to hold.
A cube painted on every face is cut into 27 equal small cubes. How many small cubes have paint on exactly two faces?
A small cube has exactly two painted faces only in the middle of an edge (corners have three). The big cube has 12 edges, each with one middle cube: 12.
What comes next? 1, 2, 6, 24, 120, …
Multiply by 2, 3, 4, 5, then 6: 120 × 6 = 720. These are factorials (6! = 1 × 2 × 3 × 4 × 5 × 6), which count the ways to arrange things — 720 ways to order six books.