mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

22 December

22 is two times an odd number. Today's number is the mean of all the answers on days (including today) that are two times an odd number.
Clarification: You are taking the mean for answers on days that are two times an odd numbers; ie. the days are two times odd, not the answers.

16 December

Today's number is four thirds of the average (mean) of the answers for 13th, 14th, 15th and 16th December.

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

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

Archive

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