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