mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2024

10 December

A number is a palindrome if it's the same when its digits are written in reverse order.
What is the sum of all the numbers between 10 and 100 that are palindromes?

Show answer

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

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

Archive

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