A car dealer sells two cars for $9,999 each -- one at a 10% profit, the
other at a 10% loss. Overall, did the dealer make or lose money?
How many common words of six letters can you make from "machine,"
*using each letter only once per word?
Raoul asked his brother's wife's mother-in-law's only husband's only
daughter to join him and his wife for lunch. What relation is she to
Raoul?
*Decipher hidden quotes, reposition matchsticks to form equilateral
triangles, navigate complex mazes, and solve scores of other intriguing
challenges with this puzzle treasury. The third in a series of collected
brain-teasers, conundrums, and riddles, this volume presents a splendid
variety of puzzles created by a dozen renowned mathematicians and puzzle
lovers.
The 300 original exercises, printed in full color, include 19 different
kinds of puzzles, including: 3-D puzzles, chess puzzles, connections,
dissections, foldings, geometrical puzzles, logic problems, matchstick
puzzles, mazes, moving pieces, number puzzles, put-togethers, strimkos,
sudoku, and visual and word challenges. The difficulty level of each
puzzle is marked by stars, ranging from 2 to 5; 3 stars indicate an
average-level challenge. Complete solutions for every puzzle are
included.
