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

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

Archive

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