Day of the Triffids
Jasmine buys three different types of plant. How many triffids did she buy?
Jasmine buys three different types of plant. How many triffids did she buy?
What fractions can you divide the diagonal of a square into by simple folding?
L triominoes can fit together to make larger versions of themselves. Is every size possible to make in this way?
Pizza, Indian or Chinese takeaway? If everyone liked at least one, how many only liked Indian?
Andy is desperate to reach John o'Groats first. Can you devise a winning race plan?
One of N coins is slightly heavier than the others. How large can N be if the coin can be determined with only two weighings with a set of scales?
In a supermarket, there are two lines of tightly packed trolleys. What is the length of one trolley?
Weekly Problem 41 - 2016
The diagram shows a square, with lines drawn from its centre. What is the shaded area?
Weekly Problem 47 - 2017
How many numbers do I need in a list to have two squares, two primes and two cubes?