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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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Archive
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Most recent collections
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
List of all puzzles
Tags
3d shapes
matrices
gerrymandering
neighbours
mean
ave
digital clocks
sum to infinity
algebra
geometric means
sport
trigonometry
cube numbers
consecutive integers
perfect numbers
squares
square roots
logic
albgebra
pascal's triangle
medians
division
multiplication
dates
doubling
determinants
cryptic clues
dodecagons
sequences
chess
coordinates
balancing
even numbers
unit fractions
people maths
volume
pentagons
surds
tangents
powers
star numbers
wordplay
expansions
money
number
remainders
quadrilaterals
clocks
angles
colouring
the only crossnumber
probability
multiples
palindromes
percentages
planes
numbers grids
grids
crossnumbers
triangle numbers
median
crosswords
chocolate
tournaments
parabolas
factorials
folding tube maps
products
graphs
shape
arrows
coins
triangles
speed
bases
ellipses
cubics
circles
scales
binary
polynomials
square numbers
shapes
integration
lines
chalkdust crossnumber
area
geometric mean
averages
geometry
taxicab geometry
books
probabilty
advent
cryptic crossnumbers
quadratics
range
functions
menace
routes
addition
hexagons
rugby
integers
symmetry
perimeter
dice
christmas
proportion
games
polygons
floors
fractions
2d shapes
spheres
indices
decahedra
combinatorics
complex numbers
square grids
regular shapes
axes
elections
tiling
partitions
irreducible numbers
prime numbers
odd numbers
digital products
consecutive numbers
time
differentiation
digits
numbers
factors
sums
sets
rectangles
cards
dominos
calculus
means
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