Fiddler on the Proof

Fiddler on the Proof

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Can You Squeeze the Bubbles?
You draw seven circles, one at a time. Each new circle’s center can’t be inside any of the previously drawn circles. How small can their combined area…
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Zach Wissner-Gross
36
Can You Weave the Web?
A spider randomly picks two points within a square, connects them with silk, and extends the connection to the square's edges. Which points are most…
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Zach Wissner-Gross
8
How Long Is the River?
Sometimes, everything just lines up. Even the spaces on a massive page of text.
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Zach Wissner-Gross
21
Can You Permeate the Pyramid?
How many paths can you find down a pyramid? (Okay, it’s really a rhombus.) What about a bipyramid? (Yes, it’s really a bipyramid.)
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Zach Wissner-Gross
7
Can You Sweep the Series?
A famous sports personality recently commented that winning a best-of-seven series in five games is closer to a sweep than going to seven games. But…
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Zach Wissner-Gross
9
How Many Rides Can You Reserve?
After booking three rides at a theme park, you can reserve one additional ride after each one you complete. On average, how many rides will you complete…
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Zach Wissner-Gross
20
Can You See Between the Trees?
You are peering between trees positioned on an infinite grid. Where are the largest gaps between them that you can see?
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Zach Wissner-Gross
19
Can You Throw the Hammer?
Welcome to Fiddler on the Proof!
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Zach Wissner-Gross
12
Can You Grow a Hibiscus Hedge?
You’re planting a row of colorful flowers. If you want the colors to appear random-ish, what’s the longest row you can plant?
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Zach Wissner-Gross
20
Fiddler on the Proof
Fiddler on the Proof
The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!
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