Search

The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?

How many different triangles can you draw which each have one dot in the middle?

On a farm there were some animals with 8 heads and 22 feet altogether. How many hens were there?

120 students sit an exam with 100 marks available. What is the smallest number of pairs that are awarded the same mark?

Weekly Problem 22 - 2008
The following sequence continues indefinitely... Which of these integers is a multiple of 81?

A male punky fish has 9 stripes and a female punky fish has 8 stripes. I count 86 stripes on the fish in my tank. What is the ratio of male fish to female fish?

What fraction of customers buy Kleenz after the advertising campaign?

Each letter stands for a different digit, and S is non-zero. Which letter has the lowest value?