Advent calendar 2015

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!).


Show me a random puzzle
 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


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020