The Sphinx's Lair

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Sphinx

03:13

Q: How do u get the numbers 33by one using the numbers 2,0,2,4

How do u get the numbers 33-99 by one using the numbers 2,0,2,4

8 hours later…

Sphinx

11:29

Recent Questions - Puzzling Stack Exchange: "H--- and k-----"

posted on March 01, 2024 by Prim3numbah

Something is missing below. Find what's missing and then tell me the answer to this puzzle. The answer is 11 letters long.

3 hours later…

Sphinx

14:07

Q: Pleasant Cuboids

A rectangular prism (or cuboid) made up of xyz identical unit cubes (x along its width, y along its length, and z along its height). Some of those cubes are internal, while the rest are external. Such a prism is said to be pleasant if the number of internal and external cubes is the same. How man...

mathematics geometry

Stiv

14:17

CCCC hints: 1. This is not an &lit - the clue has a definition part and a wordplay part, not necessarily in that order. 2. Charades.

5 hours later…

Sphinx

19:06

Q: Early OLL parity detection and correction

I am wondering whether it is possible to detect and correct OLL parity directly I have reduced the 4x4 cube to a 3x3 cube. So there are really two questions 1/ How could I check the parity of a 3x3 cube - check if an edge has been flipped? 2/ What is the simplest algorithm to correct the parity o...

rubiks-cube

2 hours later…

Sphinx

21:24

Q: Tiling a 5-by-5 bathroom with L-shaped triomino tiles

The following puzzle appeared in the Cambridge, UK February 2024 MathsJam Shout: Tiling with Triominoes Imagine tiling a 5-by-5 bathroom with L-shaped triomino tiles. Clearly, not every square can be covered, since 3 doesn't divide exactly into 25. Can you find a way to cover 24 of the 25 square...