mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

21 December

Today's number is a multiple of three. The average (mean) of all the answers that are multiples of three is a multiple of 193.
Tags: averages, mean

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

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026