mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2018

8 December

Arrange the digits 1-9 in a 3×3 square so: each digit the first row is the number of letters in the (English) name of the previous digit, each digit in the second row is one less than the previous digit, each digit in the third row is a multiple of the previous digit; the second column is an 3-digit even number, and the third column contains one even digit. The number in the first column is today's number.
each digit is the number of letters in the previous digit
each digit is one less than previous
each digit is multiple of previous
today's numbereven1 even digit
Edit: There was a mistake in this puzzle: the original had two solutions. If you entered the wrong solution, it will automatically change to the correct one.

Show answer

Tags: numbers, grids

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026