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