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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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Sunday Afternoon Maths LXVII
Coloured weights
Not Roman numerals
Advent calendar 2018
Sunday Afternoon Maths LXVI
Cryptic crossnumber #2
Sunday Afternoon Maths LXV
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Breaking Chocolate
Square and cube endings
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Archive
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Most recent collections
Sunday Afternoon Maths LXVII
Coloured weights
Not Roman numerals
Advent calendar 2018
Sunday Afternoon Maths LXVI
Cryptic crossnumber #2
Sunday Afternoon Maths LXV
Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings
List of all puzzles
Tags
fractions
regular shapes
cryptic crossnumbers
probabilty
integration
parabolas
square roots
calculus
chess
irreducible numbers
percentages
indices
digits
sums
christmas
crosswords
books
angles
scales
complex numbers
square numbers
dice
differentiation
people maths
palindromes
quadratics
trigonometry
grids
remainders
functions
area
triangle numbers
sport
cryptic clues
2d shapes
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multiplication
wordplay
doubling
planes
floors
perimeter
division
squares
3d shapes
volume
spheres
prime numbers
taxicab geometry
addition
cards
chalkdust crossnumber
number
chocolate
menace
polygons
pascal's triangle
ellipses
factorials
money
perfect numbers
cube numbers
multiples
routes
numbers
factors
means
arrows
coins
surds
shape
bases
odd numbers
balancing
averages
folding tube maps
geometry
algebra
lines
shapes
dates
ave
rectangles
hexagons
dodecagons
proportion
coordinates
triangles
probability
games
sequences
star numbers
logic
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integers
clocks
symmetry
mean
rugby
sum to infinity
crossnumbers
colouring
unit fractions
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time
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