mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

15 December

A book has 386 pages. What do the page numbers on the two middle pages add up to?
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

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

Archive

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