Sunday Times Teaser 2620 – Stating the Obvious
by Peter G. Chamberlain
Published: 9 December 2012 (link)
I have replaced the letters of the alphabet by the numbers 0 to 25 in some order, using different numbers for different letters. So, for example, a three-letter word could represent a number of three, four, five or six digits. With my particular values ONE + ONE = TWO, and ONE is a perfect square.
What number does TWO represent?