![24: Santa's big sleigh [****]](https://img-static.ivoox.com/index.php?w=77&h=77&url=https://static-2.ivoox.com/canales/8141480842603g.jpg)
A parking lot has 16 spaces in a row. Twelve cars arrive, each of which requires one parking...
03:59
What’s the largest 2-digit prime factor of “200 choose 100”? // Spiciness: *** out of ****
04:58
Last week, two of my friends and I went to a restaurant and had a lovely meal. We decided to...
02:41
A faulty car odometer proceeds from digit 3 to digit 5, always skipping the digit 4, regardless...
02:40
How many three-digit numbers satisfy the property that the middle digit is the average of the...
02:51
A game is played with tokens according to the following rule. In each round, the player with the...
02:44
Brenda and Sally run in opposite directions on a circular track, starting at diametrically...
06:34
My perpetually tricky friend told me that while she was walking through town she saw four...
03:35
A friend of mine told me that she can walk a mile south, a mile east, a mile north and end up...
04:27
Working alone, I put two coats of paint on a wall, one before lunch and one after. Yesterday, I...
03:41
Earlier this week I was rob...er...exploring tombs and I accidently triggered a trap that locked...
03:31
Cindy was asked by her teacher to subtract 3 from a certain number and then divide the result by...
08:10
For years you were a lonely prisoner here. But earlier today, you were brought to a courtyard to...
05:48
11: The loopiest puzzler [***]
I have four lengths of rope. I hold them so that you can see all eight ends, but you can’t tell...
03:00
In the eight-term sequence "a, b, c, d, e, f, g, h", c represents 5, and the sum of any three...
06:14
We’re going to play a simple coin-flip game. We take turns flipping a fair coin. The first one...
06:34
08: Strawberry ice cream [***]
A friend of mine has pictures of his three daughters on his mantle. He took the pictures when...
03:21
Kiana has two older twin brothers. The product of their three ages is 128. What is the sum of...
03:17
06: That sounds accurate [***]
You have just tested positive for a condition known to affect 1% of the population. However,...
02:35
05: Ted's three statements [**]
Ted has three numbered statement for us to consider, and he wants to know whether the third one...
02:04
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