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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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Archive
Show me a random puzzle
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Most recent collections
Advent calendar 2020
Advent calendar 2019
Sunday Afternoon Maths LXVII
Coloured weights
Not Roman numerals
Advent calendar 2018
List of all puzzles
Tags
calculus
shape
means
prime numbers
multiples
surds
spheres
crossnumbers
squares
grids
fractions
angles
range
sport
books
functions
percentages
partitions
floors
coordinates
remainders
planes
square numbers
perfect numbers
numbers
cryptic clues
sequences
colouring
probabilty
volume
division
unit fractions
parabolas
quadrilaterals
probability
rugby
hexagons
advent
graphs
folding tube maps
elections
sums
cards
ave
cube numbers
combinatorics
2d shapes
factorials
addition
taxicab geometry
money
3d shapes
integration
speed
logic
dates
mean
products
dice
irreducible numbers
dodecagons
odd numbers
the only crossnumber
polygons
complex numbers
chocolate
wordplay
quadratics
regular shapes
crossnumber
games
trigonometry
christmas
circles
crosswords
triangles
perimeter
rectangles
dominos
people maths
differentiation
tiling
factors
chess
pascal's triangle
cryptic crossnumbers
doubling
multiplication
balancing
coins
median
gerrymandering
algebra
clocks
scales
geometry
triangle numbers
symmetry
digital clocks
indices
bases
ellipses
averages
digits
proportion
chalkdust crossnumber
arrows
sum to infinity
routes
menace
lines
number
square roots
shapes
integers
star numbers
time
area
palindromes
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