"I try one, then the other," said Watson. "They give you three goes."
"Well I think I've got your number," said Holmes, "and it shows I'm twice the man you are." It's WATSON plus WATSON equals HOLMES that you should be working out."
"Surely there's more than one answer to that, too," said Watson.
"But as I said," added Holmes, "you're an odd chap, Watson."
Can you help work out the value of WATSON? Answers, by 7 August, to: Perplexity, The Independent, 1 Canada Square, Canary Wharf, London E14 5DL.
This week's Chambers Dictionary winner: Paul Terry (Wokingham).