mscroggs.co.uk
mscroggs.co.uk

subscribe

Sunday Afternoon Maths LXI

 Posted on 2017-08-20 

XYZ

Which digits \(X\), \(Y\) and \(Z\) fill this sum?
$$ \begin{array}{cccc} &X&Z&Y\\ +&X&Y&Z\\ \hline &Y&Z&X \end{array} $$

Show answer & extension

If you enjoyed these puzzles, check out Advent calendar 2024,
puzzles about dominos, 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

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

Archive

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