Search

Weekly Problem 15 - 2012
How many of the five properties can a heptagon have?

Marcus' atrium was a square with each side 50 pedes long. How many times did Marcus have to walk round his atrium to complete his daily exercise of 8 stadia?

Weekly Problem 53 - 2012
ABCDEFGHI is a regular nine-sided polygon (called a 'nonagon' or 'enneagon'). What is the size of the angle FAE ?

How many of the numbers shown are greater than 10?

Weekly Problem 52 - 2012
An irregular hexagon can be made by cutting the corners off an equilateral triangle. How can an identical hexagon be made by cutting the corners off a different equilateral triangle?

At how many times between 10 and 11 o'clock are all six digits on a digital clock different?

When coins are put into piles of six 3 remain and in piles of eight 7 remain. How many remain when they are put into piles of 24?

Weekly Problem 42 - 2009
Beatrix has a 24-hour digital clock on a glass table. How many times in a 24-hour period will the display and its reflection give the same time?

Heidi and Peter pass two signs which say how far their destination is. How long will it take them to get there?

Weekly Problem 23 - 2010
These numbers have been written as percentages. Can you work out which has the greatest value?