mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
↓ ☰ ↓
subscribe
Loading image...
Advent calendar 2017
11 December
All 2017 advent puzzles
~
More information
Two more than today's number is the reverse of two times today's number.
Show answer
Hide answer
497
Tags:
numbers
,
digits
Archive
Show me a random puzzle
Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
rugby
number
arrows
area
partitions
indices
hexagons
sequences
grids
floors
range
tournaments
probabilty
odd numbers
geometric means
polygons
chocolate
trigonometry
geometry
chess
crosswords
lists
square grids
means
bases
circles
pascal's triangle
volume
matrices
regular shapes
speed
balancing
cube numbers
polynomials
probability
the only crossnumber
3d shapes
mean
ave
doubling
digital products
folding tube maps
proportion
perfect numbers
irreducible numbers
consecutive numbers
multiplaction squares
powers
algebra
factors
median
sums
factorials
games
calculus
division
shapes
tangents
elections
square numbers
spheres
dominos
sport
chalkdust crossnumber
colouring
prime factors
money
2d shapes
lines
averages
consecutive integers
geometric mean
scales
surds
pentagons
even numbers
perimeter
symmetry
books
rectangles
combinatorics
dice
dodecagons
addition
differentiation
cards
complex numbers
shape
digits
christmas
medians
fractions
menace
neighbours
digital clocks
binary
percentages
crossnumbers
wordplay
clocks
cubics
expansions
quadratics
coins
ellipses
quadrilaterals
integration
multiplication
xor
star numbers
prime numbers
squares
routes
numbers
integers
sum to infinity
parabolas
graphs
decahedra
multiples
logic
dates
square roots
angles
triangles
cryptic crossnumbers
determinants
coordinates
taxicab geometry
palindromes
time
remainders
people maths
planes
gerrymandering
tiling
sets
functions
advent
axes
products
albgebra
triangle numbers
unit fractions
cryptic clues
Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
cube numbers
books
calculus
xor
indices
axes
averages
unit fractions
partitions
square numbers
menace
money
number
wordplay
probability
medians
rugby
symmetry
tiling
complex numbers
expansions
differentiation
the only crossnumber
lists
ellipses
trigonometry
algebra
cards
digits
2d shapes
factorials
pascal's triangle
digital clocks
triangles
advent
chess
star numbers
cryptic clues
polygons
graphs
time
3d shapes
hexagons
folding tube maps
logic
dominos
products
odd numbers
arrows
consecutive numbers
palindromes
sum to infinity
grids
floors
combinatorics
matrices
squares
ave
christmas
dodecagons
mean
area
dice
sums
functions
factors
perimeter
quadratics
even numbers
cubics
games
proportion
neighbours
scales
division
sport
multiplication
multiples
albgebra
crosswords
cryptic crossnumbers
sets
volume
bases
decahedra
geometry
fractions
routes
parabolas
balancing
square roots
shapes
powers
crossnumbers
spheres
regular shapes
circles
addition
prime factors
geometric means
numbers
elections
square grids
determinants
prime numbers
chocolate
multiplaction squares
taxicab geometry
digital products
polynomials
rectangles
means
probabilty
gerrymandering
doubling
integers
perfect numbers
median
binary
coordinates
angles
percentages
triangle numbers
speed
remainders
tangents
surds
irreducible numbers
people maths
quadrilaterals
planes
coins
range
clocks
pentagons
chalkdust crossnumber
consecutive integers
tournaments
colouring
lines
integration
shape
dates
sequences
geometric mean
© Matthew Scroggs 2012–2026