A riddle for the sphinx
Those with a classical education will know that the sphinx was a riddle-setting monster associated with the Greek city of Thebes. I took the sum
ETA + BETA + THETA = DELTA
and replaced letters consistently with digits. Even if I told you the value of B, you still could not find all the digits, but if in addition I told you that PSI and PHI were prime, you could.
Please send in THEBES.
WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 2 February 2011. The Editor’s decision is final. Please send entries to Enigma 1627, New Scientist, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).
Answer to 1621 Times square: the product is 216
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The winner Eddie Crouch of Ripon, North Yorkshire, UK
