536 Puzzles and Curious Problems

68 Arithmetic & Algebraic Problems THE SWARM OF BEES Here is an example of the elegant way in which Bhaskara, in his great ...

Miscellaneous Puzzles 69 remained and one-fourth of a sheep. Then a third party of raiders carried off one-fifth of the remainde ...

70 Arithmetic & Algebraic Problems THE YEAR 1927 A French correspondent sends the following little curiosity. Can you find ...

a larger square, as B. The third girl made a still larger square, as C, but had four blocks left over for the cor- ners, as show ...

72 Arithmetic & Algebraic Problems MENTAL ARITHMETIC To test their capacities in mental arithmetic, Rackbrane asked his pu ...

Miscellaneous Puzzles 73 237. SHORT CUTS We have from time to time given various short cuts in mental arithmetic. Here is an exa ...

74 Arithmetic & Algebraic Problems Down-I. reads both ways alike; 2. square root of 28 across; 3. sum of 17 across and 21 ac ...

Miscellaneous Puzzles 75 THE TOWER OF PISA "When I was on a little tour in Italy, collecting material for my book on Improveme ...

76 Arithmetic & Algebraic Problems more than each side of the other floor. What were the dimensions of the two floors? THE ...

Miscellaneous Puzzles 77 condition that they could not be used; so there were three more persons in every wagon than when they s ...

78 Arithmetic & Algebraic Problems Can you find (I) the number the Irishman selected and the man at whom he began to count, ...

Miscellaneous Puzzles 79 THE EGG CABINET A correspondent (T. S.) informs us that a man has a cabinet for holding birds' eggs. ...

80 Arithmetic & Algebraic Problems ~ ce')l ~~ ## ~~~rfj ``` eighteenth of the number of lumps that each basin contains, ...

Geometrical Problems ...

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Geometrical Problems MAKING A PENTAGON "I am about to start on making a silk patchwork quilt," said a lady, "all composed of p ...

84 Geometrical Problems A 11> e 1) have made twenty squares (twelve with sides of the length A B, six with sides A C, and two ...

Triangle, Square, & Other Polygon Puzzles ner indicated in the diagram. What is the area of the path? Dimensions for the gar ...

86 Geometrical Problems it was impossible without some further measurements; the mere length of one side, seven rods, was insuff ...

Triangle, Square, & Other Polygon Puzzles 87 265. THE FOUR CHECKERS Here is a queer new puzzle that I know will interest my ...