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Puzzles
Showing puzzles tagged "planes".
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2 December
All 2016 advent puzzles
~
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What is the maximum number of lines that can be formed by the intersection of 30 planes?
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435
Tags:
lines
,
planes
,
geometry
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Most recent collections
Advent calendar 2025
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List of all puzzles
Tags
sequences
perfect numbers
sets
means
chalkdust crossnumber
irreducible numbers
triangles
tiling
money
percentages
indices
floors
volume
crosswords
division
palindromes
mean
decahedra
quadrilaterals
matrices
wordplay
geometric mean
consecutive integers
hexagons
digits
bases
parabolas
tournaments
probabilty
pentagons
axes
perimeter
geometric means
logic
polynomials
gerrymandering
routes
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products
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integration
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sum to infinity
speed
neighbours
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cryptic crossnumbers
folding tube maps
dates
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multiplication
regular shapes
star numbers
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games
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the only crossnumber
range
coordinates
christmas
rectangles
expansions
2d shapes
area
angles
grids
numbers
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chess
averages
proportion
calculus
probability
doubling
consecutive numbers
sums
surds
square roots
triangle numbers
balancing
time
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