mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2015

13 December

Put the digits 1 to 9 (using each digit once) in the boxes so that the three digit numbers formed (reading left to right and top to bottom) have the desired properties written by their rows and columns.
The row marked sum is equal to the sum of the other two rows. The column marked sum is equal to the sum of the other two columns.
odd
all digits even
sum
evenoddsum
Today's number is the largest three digit number in this grid.

Show answer

Tags: numbers, grids

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

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

Archive

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