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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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shapes
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pascal's triangle
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chalkdust crossnumber
perfect numbers
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lines
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coordinates
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elections
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sum to infinity
arrows
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gerrymandering
consecutive numbers
the only crossnumber
taxicab geometry
christmas
number
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▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
calculus
rugby
surds
scales
chocolate
products
determinants
quadratics
folding tube maps
elections
money
doubling
rectangles
circles
wordplay
floors
crossnumbers
trigonometry
menace
2d shapes
number
squares
fractions
cards
the only crossnumber
tournaments
geometric mean
hexagons
integers
matrices
triangle numbers
parabolas
colouring
probabilty
differentiation
expansions
percentages
unit fractions
dates
digits
gerrymandering
division
quadrilaterals
median
clocks
functions
odd numbers
range
algebra
probability
proportion
factors
multiplication
logic
star numbers
dominos
tangents
angles
crosswords
cube numbers
bases
time
shape
axes
ellipses
pascal's triangle
integration
pentagons
consecutive integers
mean
coins
geometry
even numbers
digital clocks
polynomials
multiples
numbers
sets
games
christmas
volume
sequences
dice
palindromes
symmetry
polygons
crossnumber
sport
sum to infinity
albgebra
people maths
lines
cryptic clues
routes
averages
cubics
spheres
dodecagons
remainders
books
indices
taxicab geometry
regular shapes
graphs
grids
factorials
addition
square numbers
combinatorics
geometric means
3d shapes
sums
arrows
partitions
triangles
tiling
chess
perfect numbers
speed
binary
square roots
irreducible numbers
digital products
means
shapes
coordinates
cryptic crossnumbers
planes
area
chalkdust crossnumber
complex numbers
consecutive numbers
decahedra
perimeter
prime numbers
advent
balancing
ave
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