The Puzzle King / Amusing arithmetic, book-keeping blunders, commercial comicalities, curious 'catches', peculiar problems, perplexing paradoxes, quaint questions, queer quibbles, school stories, interesting items, tricks with figures, cards, draughts, dice, dominoes, etc., etc., etc. - John Scott

[229.] From what height above the earth will a person see one-third of its surface?

[230.] The difference between ¹⁷⁄₂₁ and ¹¹⁄₁₄ of a certain sum is £10. What is the sum?

[231.] What decimal fraction is a second of a day?

[232.] Two trains are running on parallel lines in the same direction at rates respectively 45 miles and 35 miles an hour; the length of the first is 17 yds. 2 ft., and of the second 70 yds. 1 ft. How long will the one be in passing the other?

[233.]