Problem 1. — A and B began the year with only £1000 apiece. They borrowed nought; they stole nought. On the next New Year’s Day they had £60,000 between them. How did they do it?

Solution. — They went that day to the Bank of England. A stood in front of it, while B went round and stood behind it.

Two answers have been received, both worthy of much honour. Addlepate makes them borrow “zero” and steal “zero”, and uses both cyphers by putting th............