mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Fill in the digits

Source: Chalkdust
Can you place the digits 1 to 9 in the boxes so that the three digit numbers formed in the top, middle and bottom rows are multiples of 17, 25 and 9 (respectively); and the three digit numbers in the left, middle and right columns are multiples of 11, 16 and 12 (respectively)?

Show answer & extension

If you enjoyed this puzzle, check out Sunday Afternoon Maths XLIII,
puzzles about numbers, or a random puzzle.

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

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

Archive

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