mscroggs.co.uk
mscroggs.co.uk

subscribe

Sunday Afternoon Maths LXVII

 Posted on 2019-05-19 

Coloured weights

You have six weights. Two of them are red, two are blue, two are green. One weight of each colour is heavier than the other; the three heavy weights all weigh the same, and the three lighter weights also weigh the same.
Using a scale twice, can you split the weights into two sets by weight?

Show answer & extension

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 these puzzles, check out Sunday Afternoon Maths LXVII,
puzzles about books, or a random puzzle.

Archive

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

Tags

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

Archive

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