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 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

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

Archive

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