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



Not Roman numerals

The letters \(I\), \(V\) and \(X\) each represent a different digit from 1 to 9. If
$$VI\times X=VVV,$$
what are \(I\), \(V\) and \(X\)?

Show answer

If you enjoyed this puzzle, check out Sunday Afternoon Maths LXVII,
puzzles about digits, or a random puzzle.


Show me a random puzzle
 Most recent collections 

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

List of all puzzles


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


Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2019