mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2019

8 December

Carol uses the digits from 0 to 9 (inclusive) exactly once each to write five 2-digit even numbers, then finds their sum. What is the largest number she could have obtained?

Show answer

Tags: numbers

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026