Advent calendar 2015

Archive

Show me a random puzzle

Tags

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