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 2024

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2025