Fractions
problem
3388
Using some or all of the operations of addition, subtraction, multiplication and division and using the digits 3, 3, 8 and 8 each once and only once make an expression equal to 24.
problem
Once upon a time
Can you work out the height of Baby Bear's chair and whose bed is
whose if all the things the three bears have are in the same
proportions?
problem
Information display
The information display on a train shows letters by illuminating dots in a rectangular array. What fraction of the dots in this array is illuminated?
problem
Couples
In a certain community two thirds of the adult men are married to
three quarters of the adult women. How many adults would there be
in the smallest community of this type?
problem
Unit fractions
Consider the equation 1/a + 1/b + 1/c = 1 where a, b and c are
natural numbers and 0 < a < b < c. Prove that there is
only one set of values which satisfy this equation.
problem
Family fortune
If three brothers will get £20 more if they do not share their money with their sister, how much money is there?