536 Puzzles and Curious Problems

48 Arithmetic & Algebraic Problems Every letter, he said, stood for a different digit, I to 9 (0 excluded). The number repre ...

Cryptarithm Puzzles 49 an example. Each letter represents a different digit, and no 0 is allowed." WRONG WRONG RIGHT "If you sub ...

50 Arithmetic & Algebraic Problems LETTER-FIGURE PUZZLE A correspondent (c. E. B.) sends the following. It is not difficul ...

Miscellaneous Puzzles 51 doubled, and she sold the same number as the previous day. On the third day the new remainder was trebl ...

52 Arithmetic & Algebraic Problems Meanwhile the mouse, overhearing the conversation, was working madly at enlarging a hole, ...

Miscellaneous Puzzles 53 THE THREE BROTHERS The discussion arose before one of the tribunals as to which of a trades- man's th ...

54 Arithmetic & Algebraic Problems (2) If a man lives on the even side and all the numbers on one side of him equal those on ...

Miscellaneous Puzzles 55 "That's just where you are all wrong," said Jeffries. "The terms of the will can be exactly carried out ...

56 Arithmetic & Algebraic Problems That being so, can you say exactly how many men were in the hospital? It is a simple calc ...

Miscellaneous Puzzles 57 the cubical contents; (3) when the square of the surface area equals the cubical contents? A COMMON Dl ...

58 Arithmetic & Algebraic Problems THE REJECfED GUN Here is a little military puzzle that may not give you a moment's diff ...

Miscellaneous Puzzles 59 A CARD TRICK Take an ordinary pack of playing cards and regard all the picture cards as tens. Now, lo ...

60 Arithmetic & Algebraic Problems sister, and Jack Robinson four times as many as his sister. Now which of you can give me ...

Miscellaneous Puzzles 61 find a number that we can multiply by 4 and then divide the product by 5 in the same simple manner, by ...

62 Arithmetic & Algebraic Problems PROPORTIONAL REPRESENTATION When stopping at Mangleton-on-the-Bliss the Crackhams found ...

Miscellaneous Puzzles 63 ACCOMMODATING SQUARES Can you find two three-figure square numbers (no zeros) that, when put together ...

64 Arithmetic & Algebraic Problems skimmed milk he must add to a quart of whole milk to reduce the percentage of cream to 4 ...

Miscellaneous Puzzles 65 three; in the third and fourth, thirty-four; in the fourth and fifth, thirty." How many nuts are there ...

66 Arithmetic & Algebraic Problems "I can do better than that," said Alec. "Let me take Bill as a partner, and we will do th ...

Miscellaneous Puzzles 67 LlLIVATI, 1150 A.D. Here is a little morning problem from Lilivati (1150 A.D.). Beautiful maiden, wit ...