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Advent calendar 2015
9 December
All 2015 advent puzzles
~
More information
You start at A and are allowed to move either to the right or upwards.
How many different routes are there to get from A to B?
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792
Tags:
routes
,
taxicab geometry
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algebra
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odd numbers
division
speed
sum to infinity
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multiplication
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triangle numbers
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integers
lines
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cryptic crossnumbers
consecutive numbers
taxicab geometry
tiling
volume
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christmas
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star numbers
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routes
number
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colouring
surds
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shape
square roots
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differentiation
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coins
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polygons
symmetry
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square numbers
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3d shapes
menace
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matrices
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chocolate
Archive
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Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
sport
rectangles
binary
parabolas
christmas
colouring
differentiation
books
symmetry
routes
2d shapes
unit fractions
medians
indices
range
volume
cryptic clues
dominos
coordinates
cubics
prime factors
rugby
remainders
trigonometry
calculus
tournaments
products
fractions
logic
addition
shape
area
tiling
geometric means
wordplay
bases
polynomials
grids
arrows
people maths
crosswords
triangle numbers
complex numbers
palindromes
powers
dice
shapes
3d shapes
dates
cards
determinants
digital clocks
consecutive integers
proportion
axes
consecutive numbers
perfect numbers
prime numbers
sum to infinity
means
speed
the only crossnumber
sequences
sets
planes
square numbers
surds
chalkdust crossnumber
lines
spheres
averages
division
ellipses
perimeter
regular shapes
factorials
circles
factors
expansions
quadrilaterals
taxicab geometry
lists
menace
odd numbers
xor
digits
elections
pentagons
pascal's triangle
quadratics
dodecagons
cryptic crossnumbers
ave
star numbers
tangents
doubling
advent
cube numbers
multiplication
irreducible numbers
multiplaction squares
integration
chess
matrices
balancing
graphs
multiples
triangles
integers
geometric mean
probabilty
games
median
coins
number
crossnumbers
sums
neighbours
albgebra
money
algebra
percentages
chocolate
probability
even numbers
decahedra
combinatorics
gerrymandering
functions
scales
partitions
geometry
time
squares
square grids
digital products
folding tube maps
numbers
square roots
mean
clocks
angles
floors
hexagons
polygons
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