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