# Puzzles

## Archive

Show me a random puzzle**Most recent collections**

#### Sunday Afternoon Maths LXVII

Coloured weightsNot Roman numerals

#### Advent calendar 2018

#### Sunday Afternoon Maths LXVI

Cryptic crossnumber #2#### Sunday Afternoon Maths LXV

Cryptic crossnumber #1Breaking Chocolate

Square and cube endings

List of all puzzles

## Tags

prime numbers averages surds mean integers chocolate people maths coordinates proportion multiples division pascal's triangle speed sport shape colouring rugby probability chess number cryptic clues indices balancing cards circles calculus digits crosswords crossnumbers triangle numbers planes numbers angles 3d shapes coins square numbers fractions hexagons geometry complex numbers regular shapes logic bases 2d shapes doubling time arrows graphs means books parabolas sums scales wordplay christmas ave folding tube maps ellipses money lines triangles squares trigonometry menace rectangles algebra advent quadratics shapes chalkdust crossnumber dodecagons unit fractions star numbers remainders sum to infinity cube numbers partitions grids irreducible numbers games dates cryptic crossnumbers percentages differentiation functions sequences square roots odd numbers clocks taxicab geometry spheres addition floors polygons routes factorials factors perimeter integration perfect numbers multiplication area probabilty symmetry palindromes volume dice## 24 December

Today's number is the largest possible remainder which can be obtained when dividing one of
the answers in this advent calendar by another answer smaller than it (not
including today's answer!).