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

Sunday Afternoon Maths LX

 Posted on 2017-07-02 

Where is Evariste?

Evariste is standing in a rectangular formation, in which everyone is lined up in rows and columns. There are 175 people in all the rows in front of Evariste and 400 in the rows behind him. There are 312 in the columns to his left and 264 in the columns to his right.
In which row and column is Evariste standing?

Show answer & extension

Tags: numbers

Bending a straw

Two points along a drinking straw are picked at random. The straw is then bent at these points. What is the probability that the two ends meet up to make a triangle?

Show answer & extension

If you enjoyed these puzzles, check out Advent calendar 2019,
puzzles about square numbers, or a random puzzle.

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

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

Archive

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