167. Arrange the 28 dominoes in such a manner as to have two squares of each number; there are eight half-squares of each number in the complete set--eight sixes, eight fives, &c.--so that four of the one number comprise a square. The whole, when finished, will form a figure like a square, resembling a wide letter =I=. [Illustration] 168. A sum of money is divided among a number of persons; the second gets 8d. more than the first, the third gets 1s. 4d. more than the second, the fourth 2s. more than the third, and so on. If the first gets 6d. and the last £5 2s. 6d., how many persons were there? IT COULDN’T BE EXPECTED. Teacher: “Johnny, where is the North Pole?” Johnny: “I don’t know.” Teacher: “Don’t know where the North Pole is?” Johnny: “When Franklin, Nansen and Captain Andrée hunted for it and couldn’t find it, how am I to know where it is?” 169. For a loan of 2,500,000, 4½ per cent. per annum is paid by a mining company whose capital is £4,900,000. The working expenses constitute 52 per cent. of the gross receipts, which amount in the year to £965,000, and the directors set apart £44,450 as a reserve fund. What yearly dividend do the shareholders receive? 170. If a monkey climbs a greasy pole 10 ft. high, ascending 1 ft. with each movement of his arms, and slipping back 6 in. after each advance; how many movements would he have to make, to touch the top, and what height would he have climbed in all? 171. Find two numbers whose G.C.M. is 179, L.C.M. 56385, and difference 10382. 172. What is the difference between twenty four-quart bottles, and four and twenty quart bottles? THE G.C.M. The Greatest Common Measure--A “long pint.” 173. There are two casks, one of which holds thirty gallons more than the other. The larger is filled with wine, the smaller with water. Ten gallons are taken out of each: that from the first is poured into the second; the operation is repeated, and it is now found that the larger cask contains 13 gallons of water. Find the contents of each cask. 174. In the midst of a paddock well stored with grass, I engaged just an acre to tether my ass; What length must that cord be, in grazing all round That he may graze over just one acre of ground? 175. If three first-class cost as much as five second-class tickets for a journey of 100 miles, the total cost of the eight tickets being £3 2s. 6d., find the charge per mile for each first-class and second-class ticket. HUMILITY. In a certain street are three tailors. The first to set up shop hung out this sign--“Here is the best tailor in the town.” The next put up--“Here is the best tailor in the world.” The third simply had this--“Here is the best tailor in this street.” “On the Wallaby.”