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Advent calendar 2016
2 December
All 2016 advent puzzles
~
More information
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
sets
matrices
prime numbers
chess
grids
palindromes
quadrilaterals
medians
lines
polygons
multiplaction squares
coins
trigonometry
lists
perimeter
rectangles
circles
clocks
neighbours
people maths
dice
decahedra
cryptic clues
pentagons
scales
dates
rugby
the only crossnumber
quadratics
factorials
algebra
consecutive integers
logic
irreducible numbers
averages
cubics
square roots
floors
tiling
tournaments
parabolas
speed
indices
partitions
advent
sequences
star numbers
arrows
digital clocks
geometric mean
proportion
percentages
wordplay
gerrymandering
planes
geometric means
division
xor
books
christmas
calculus
dominos
numbers
graphs
volume
remainders
complex numbers
triangle numbers
multiples
spheres
elections
binary
functions
crosswords
unit fractions
products
taxicab geometry
number
digital products
routes
median
pascal's triangle
axes
hexagons
probability
albgebra
2d shapes
digits
sport
colouring
powers
time
odd numbers
ave
differentiation
chalkdust crossnumber
squares
addition
integration
3d shapes
area
balancing
combinatorics
money
cards
menace
determinants
folding tube maps
angles
coordinates
regular shapes
square grids
fractions
crossnumbers
factors
multiplication
symmetry
shapes
cube numbers
square numbers
cryptic crossnumbers
means
perfect numbers
bases
doubling
mean
range
even numbers
sums
geometry
expansions
shape
sum to infinity
prime factors
probabilty
triangles
polynomials
integers
tangents
consecutive numbers
chocolate
ellipses
games
dodecagons
surds
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