Can you find the two smallest non-zero whole numbers such that the difference of their squares is a cube and the difference of their cubes is a square?
I have 55p in my pocket. Can you tell me what two coins they are if I say that one of them is not a 5p coin?
What is the shortest word in the English language?
What is the longest word in the English language?
What number comes next in this sequence:
1 4 11 20 31 44 ==?==
[Ref: ZELV] © Kevin Stone