mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2017

2 December

There are three cards; one number is written on each card. You are told that the sums of pairs of cards are 99, 83 and 102. What is the sum of all three cards?

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

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

Archive

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