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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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Advent calendar 2025
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shapes
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sums
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perfect numbers
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circles
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dice
volume
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unit fractions
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books
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cards
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axes
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ave
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averages
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sets
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algebra
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sum to infinity
chess
consecutive numbers
indices
proportion
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balancing
chocolate
xor
hexagons
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tiling
games
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multiplaction squares
coordinates
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the only crossnumber
lines
prime numbers
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division
pentagons
scales
quadrilaterals
symmetry
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fractions
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crossnumbers
rugby
speed
elections
square numbers
trigonometry
area
logic
spheres
coins
polygons
rectangles
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cubics
digital clocks
sport
geometric mean
even numbers
cryptic crossnumbers
grids
people maths
medians
means
bases
christmas
pascal's triangle
floors
powers
dominos
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shape
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lists
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mean
angles
regular shapes
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star numbers
folding tube maps
probabilty
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