<<返回上一页

Enigma No. 831: Pot black

发布时间:2019-02-28 10:07:06来源:未知点击:

By Richard England IN the snooker match between Davis and Whyte, the winner was the first player to win a certain number of frames, not greater than 16; the match ended as soon as one player had won the required number of frames. It is impossible for a frame to be halved. Davies won all the frames played (including the first frame), whose numbers were perfect squares. Whyte won all the frames played whose numbers were primes; the sum of the numbers of the frames won by Davies was exactly the same as the sum of the numbers of the frames won by Whyte. Davies won the match. How many frames did each player win? Who won the penultimate frame? A £10 book token will be awarded to the sender of the first correct answer opened on Thursday 17 August. The Editor’s decision is final. Please send entries to Enigma 831, New Scientist, King’s Reach Tower, Stamford Street, London SE99 0BB. The winner of Enigma 825 was Barbara Lee, of Bootle,