Happy New Year
I have written down three 3-digit numbers which between them use nine different digits. One of the numbers is a perfect square and another is a triangular number. The sum of the three numbers is 2010.
What, in ascending order, are the three numbers?
WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 10 February. The Editor’s decision is final. Please send entries to Enigma 1577, New ÐÓ°ÉÔ´´, Lacon House, 84 Theobald’s Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).
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Answer to 1571 Just ladders: The starts and finishes of all the ladders are 4-79, 9-53, 16-97, 25-89, 36-73, 49-71 and 64-83
The winner Delphine Dobler of Stevenage, Hertfordshire, UK