Al, Bertie, Chris and Di have sums of money totalling £150... What is the difference between the amount Al and Di have?
Weekly Problem 11 - 2014
The diagram shows a parallelogram and an isosceles triangle. What is the size of angle TQR?
One of these numbers is the largest of nine consecutive positive integers whose sum is a perfect square. Which one is it?
How long is it between 5:55 and the next time all three digits on a digital clock are the same?
Weekly Problem 26 - 2007
The diagram shows two equilateral triangles. What is the value of x?
Consider two arithmetic sequences: 1998, 2005, 2012,... and 1996, 2005, 2014,... Which numbers will appear in both?
Weekly Problem 47 - 2011
Place equal, regular pentagons together to form a ring. How many pentagons will be needed?
When Jim rolled some dice, the scores had the same product and sum. How many dice did Jim roll?
A decimal clock is started at midnight. What time would it show at 6 o'clock in the morning?
Lisa's bucket weighs 21 kg when full of water. After she pours out half the water it weighs 12 kg. What is the weight of the empty bucket?
