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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
area
multiples
doubling
star numbers
elections
sets
speed
sum to infinity
sport
tiling
median
bases
angles
pentagons
sequences
2d shapes
digital products
grids
digits
matrices
algebra
probability
advent
cards
calculus
perimeter
hexagons
integers
logic
prime factors
trigonometry
ellipses
geometric mean
taxicab geometry
wordplay
colouring
fractions
rugby
menace
tournaments
numbers
products
scales
proportion
division
3d shapes
triangle numbers
averages
ave
indices
consecutive integers
surds
shapes
balancing
symmetry
christmas
parabolas
people maths
factors
crossnumbers
expansions
geometry
tangents
complex numbers
integration
dominos
dates
mean
perfect numbers
albgebra
folding tube maps
means
range
probabilty
powers
the only crossnumber
decahedra
chalkdust crossnumber
percentages
multiplaction squares
xor
triangles
coins
graphs
unit fractions
combinatorics
coordinates
irreducible numbers
dice
medians
cube numbers
regular shapes
consecutive numbers
geometric means
crosswords
quadrilaterals
addition
sums
palindromes
chess
cubics
even numbers
shape
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planes
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axes
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arrows
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