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Enigma Number 1666

Enigma Number 1666

Siblings to infinity

ROY and MARY are twins. They agree that life is just DANDY, according to the equation shown.

They even like MONDAY, which represents which six digits?

WIN 拢15 will be awarded to the sender of the first correct answer opened on Wednesday 2 November. The Editor鈥檚 decision is final. Please send entries to Enigma 1666, New 女生小视频, Lacon House, 84 Theobald鈥檚 Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).

Answer to 1660 Three dozen: the five numbers thrown, in order, were 4, 6, 3, 6 and 1

The winner Robin Hughes of St Andrews, Fife, UK