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