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Advent calendar 2018
4 December
All 2018 advent puzzles
~
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Today's number is the number of 0s that 611! (611×610×...×2×1) ends in.
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By the same method used to solve
this puzzle
, the answer if
150
.
Tags:
numbers
,
digits
,
factorials
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Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2019
Sunday Afternoon Maths LXVII
Coloured weights
Not Roman numerals
Advent calendar 2018
Sunday Afternoon Maths LXVI
Cryptic crossnumber #2
List of all puzzles
Tags
differentiation
proportion
products
pascal's triangle
money
doubling
folding tube maps
perfect numbers
palindromes
addition
clocks
square numbers
balancing
colouring
probabilty
crossnumber
regular shapes
digits
trigonometry
irreducible numbers
averages
hexagons
indices
advent
chess
3d shapes
odd numbers
median
ave
calculus
dodecagons
partitions
crosswords
arrows
2d shapes
rectangles
games
people maths
bases
means
routes
speed
chalkdust crossnumber
scales
sport
integration
dice
volume
dominos
circles
wordplay
quadratics
sequences
digital clocks
integers
logic
surds
shapes
chocolate
multiplication
triangle numbers
square roots
mean
floors
perimeter
division
coins
sum to infinity
factorials
remainders
cryptic clues
algebra
cube numbers
probability
geometry
cryptic crossnumbers
graphs
parabolas
range
books
symmetry
unit fractions
numbers
taxicab geometry
area
menace
spheres
time
grids
christmas
angles
functions
elections
ellipses
coordinates
star numbers
prime numbers
planes
fractions
sums
gerrymandering
the only crossnumber
lines
triangles
squares
percentages
dates
cards
rugby
factors
crossnumbers
number
polygons
complex numbers
tiling
multiples
shape
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