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Advent calendar 2019
8 December
All 2019 advent puzzles
~
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Carol uses the digits from 0 to 9 (inclusive) exactly once each to write five 2-digit even numbers, then finds their sum. What is the largest number she could have obtained?
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Carol will get
270
whatever she does.
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numbers
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Most recent collections
Advent calendar 2025
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square grids
tournaments
volume
square numbers
mean
balancing
indices
graphs
planes
tangents
albgebra
percentages
coordinates
folding tube maps
remainders
probabilty
lists
addition
chocolate
trigonometry
averages
cryptic clues
axes
logic
odd numbers
scales
cubics
quadrilaterals
cryptic crossnumbers
geometric mean
chalkdust crossnumber
grids
sets
determinants
powers
multiples
probability
number
multiplication
time
unit fractions
digital clocks
taxicab geometry
factors
speed
polygons
clocks
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floors
advent
multiplaction squares
surds
functions
even numbers
digits
ave
dice
products
ellipses
median
tiling
christmas
sport
wordplay
numbers
people maths
3d shapes
bases
geometric means
consecutive integers
arrows
chess
medians
sums
rugby
combinatorics
2d shapes
integration
gerrymandering
palindromes
division
xor
shapes
parabolas
irreducible numbers
sum to infinity
star numbers
triangles
means
fractions
partitions
proportion
sequences
geometry
triangle numbers
circles
range
menace
square roots
squares
polynomials
expansions
rectangles
cube numbers
integers
dominos
doubling
decahedra
prime numbers
differentiation
elections
spheres
symmetry
pascal's triangle
factorials
books
lines
shape
angles
dates
neighbours
area
perfect numbers
cards
crossnumbers
digital products
colouring
pentagons
crosswords
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algebra
money
complex numbers
calculus
prime factors
regular shapes
binary
quadratics
routes
perimeter
coins
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hexagons
the only crossnumber
consecutive numbers
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