mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2018

4 December

Today's number is the number of 0s that 611! (611×610×...×2×1) ends in.

Show answer

Archive

Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2019