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Advent calendar 2016
15 December
All 2016 advent puzzles
~
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A book has 386 pages. What do the page numbers on the two middle pages add up to?
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387
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numbers
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dates
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christmas
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Archive
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Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
3d shapes
geometric means
wordplay
probability
division
factors
sum to infinity
number
geometry
spheres
balancing
gerrymandering
coordinates
indices
factorials
cubics
functions
multiplication
circles
sequences
digits
routes
algebra
matrices
sport
digital clocks
speed
even numbers
crossnumbers
irreducible numbers
rectangles
chess
chalkdust crossnumber
partitions
people maths
integers
means
games
books
triangles
surds
dates
clocks
cards
advent
christmas
area
trigonometry
regular shapes
determinants
polynomials
dice
digital products
crosswords
elections
axes
percentages
decahedra
consecutive numbers
prime numbers
remainders
probabilty
rugby
lines
polygons
ellipses
tangents
fractions
the only crossnumber
cube numbers
palindromes
albgebra
binary
pentagons
angles
squares
complex numbers
arrows
money
sums
sets
combinatorics
dominos
parabolas
odd numbers
mean
pascal's triangle
quadratics
ave
floors
folding tube maps
triangle numbers
2d shapes
hexagons
averages
grids
taxicab geometry
cryptic crossnumbers
crossnumber
perfect numbers
graphs
symmetry
shapes
geometric mean
logic
cryptic clues
doubling
expansions
unit fractions
planes
tournaments
perimeter
consecutive integers
scales
square numbers
bases
quadrilaterals
time
square roots
proportion
multiples
chocolate
dodecagons
calculus
colouring
tiling
star numbers
addition
differentiation
shape
coins
numbers
products
integration
median
volume
range
menace
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