mscroggs.co.uk
mscroggs.co.uk

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 2023,
puzzles about perimeter, or a random puzzle.

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

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

Archive

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