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Advent calendar 2016
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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chalkdust crossnumber
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Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
integers
cryptic clues
rectangles
partitions
doubling
perimeter
shapes
calculus
sum to infinity
irreducible numbers
folding tube maps
albgebra
triangles
determinants
spheres
games
digital clocks
axes
triangle numbers
quadratics
symmetry
matrices
money
cubics
christmas
factorials
scales
the only crossnumber
clocks
angles
speed
consecutive integers
unit fractions
sums
lines
combinatorics
prime numbers
regular shapes
coordinates
crossnumbers
remainders
means
odd numbers
polygons
perfect numbers
tangents
ellipses
multiplication
crossnumber
squares
cube numbers
menace
sets
geometry
arrows
quadrilaterals
averages
even numbers
expansions
taxicab geometry
graphs
routes
decahedra
multiples
logic
digits
floors
dates
fractions
wordplay
functions
3d shapes
proportion
pascal's triangle
people maths
dice
surds
number
geometric means
cards
addition
chocolate
star numbers
hexagons
gerrymandering
probabilty
grids
planes
sport
square numbers
ave
palindromes
balancing
algebra
colouring
polynomials
elections
books
indices
dodecagons
median
tournaments
time
2d shapes
tiling
division
products
square roots
differentiation
numbers
shape
binary
circles
percentages
coins
crosswords
factors
bases
rugby
cryptic crossnumbers
parabolas
pentagons
chalkdust crossnumber
sequences
trigonometry
range
integration
chess
mean
probability
digital products
volume
area
complex numbers
consecutive numbers
dominos
advent
geometric mean
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