Geometric Quadrilateral
Each interior angle in a quadrilateral (apart from the smallest) is twice the previous one. What is the size of the smallest interior angle?
Each interior angle in a quadrilateral (apart from the smallest) is twice the previous one. What is the size of the smallest interior angle?
In the diagram, the number in each box is obtained by adding the two immediately below. What is the number in the top box?
What is the smallest integer where every digit is a 3 or a 4 and it is divisible by both 3 and 4?
The numbers 72, 8, 24, 10, 5, 45, 36, 15 are grouped in pairs so that each pair has the same product. Which number is paired with 10?
Weekly Problem 51 - 2015
Charlie is making clown hats from a piece of cardboard. What is the maximum number he can make?
Using the hcf and lcf of the numerators, can you deduce which of these fractions are square numbers?