mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

The sixth cent

You toss 6 fair coins, and I toss 5 fair coins. What is the probability that you get more heads than I do?

Show answer & extension

If you enjoyed this puzzle, check out Sunday Afternoon Maths XL,
puzzles about coins, 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

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

Archive

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