mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

2 December

What is the maximum number of lines that can be formed by the intersection of 30 planes?

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024