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Advent calendar 2016
21 December
All 2016 advent puzzles
~
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Today's number is a multiple of three. The average (mean) of all the answers that are multiples of three is a multiple of 193.
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816
Tags:
averages
,
mean
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spheres
doubling
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prime numbers
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chalkdust crossnumber
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pascal's triangle
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algebra
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hexagons
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the only crossnumber
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calculus
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irreducible numbers
chocolate
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circles
dodecagons
people maths
even numbers
trigonometry
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area
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crossnumber
colouring
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logic
advent
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triangle numbers
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odd numbers
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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
wordplay
3d shapes
decahedra
bases
star numbers
hexagons
christmas
menace
mean
even numbers
crosswords
polygons
albgebra
calculus
axes
circles
rugby
cubics
quadrilaterals
games
doubling
sequences
tiling
the only crossnumber
regular shapes
functions
integration
books
quadratics
ave
balancing
combinatorics
logic
unit fractions
chess
grids
consecutive integers
lines
probability
routes
median
gerrymandering
crossnumber
odd numbers
dominos
cube numbers
dice
geometric means
angles
multiples
complex numbers
factorials
division
differentiation
rectangles
consecutive numbers
square roots
range
polynomials
dates
palindromes
people maths
partitions
perimeter
expansions
symmetry
products
dodecagons
parabolas
factors
time
pentagons
proportion
sets
sum to infinity
squares
surds
remainders
coordinates
averages
shape
geometric mean
volume
triangle numbers
tangents
chocolate
sums
planes
coins
integers
folding tube maps
clocks
probabilty
cryptic clues
cards
triangles
number
taxicab geometry
algebra
shapes
geometry
perfect numbers
scales
percentages
addition
prime numbers
elections
determinants
colouring
advent
square numbers
money
binary
graphs
sport
cryptic crossnumbers
ellipses
chalkdust crossnumber
digital clocks
means
pascal's triangle
fractions
speed
2d shapes
numbers
spheres
trigonometry
digits
multiplication
digital products
tournaments
area
crossnumbers
matrices
arrows
floors
indices
irreducible numbers
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