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

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

Archive

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