mscroggs.co.uk
mscroggs.co.uk
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.
Click here to win prizes by solving the mscroggs.co.uk puzzle Advent calendar.

subscribe

Advent calendar 2017

7 December

The odd numbers are written in a pyramid.
What is the sum of the numbers in the seventh row?
Tags: numbers

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

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

Archive

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