mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

19 December

The sum of all the numbers in the eighth row of Pascal's triangle.
Clarification: I am starting the counting of rows from 1, not 0. So (1) is the 1st row, (1 1) is the 2nd row, (1 2 1) is the 3rd row, etc.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2020