Clement and Dmitri both measure how much taller they are than the other when standing on a table. Can you work out how tall the table is?
Rick has five cubes, each one 2cm taller than the previous one. The largest is the same height as a tower built of the two smallest. How high would a tower of all five cubes be?
Four hobbits each eat one quarter of the porridge remaining in the pan. How much is left?
After playing 500 games, my success rate at Solitare is 49%. How many games do I need to win to increase my success rate to 50%?
Weekly Problem 43 - 2015
Rachel and Ross share a bottle of water. Can you work out how much water Rachel drinks?
Two fractions have been placed on a number line. Where should another fraction be placed?
Each of the three blind mice in turn ate a third of what remained of a piece of cheese. What fraction of the cheese did they eat in total?
Weekly Problem 26 - 2008
If $n$ is a positive integer, how many different values for the remainder are obtained when $n^2$ is divided by $n+4$?
Weekly Problem 6 - 2010
Can you find three primes such that their product is exactly five times their sum? Do you think you have found all possibilities?
Ruth wants to puts stickers on the cuboid she has made from little cubes. Will she have any stickers left over?
