Dozens of compelling and addictive mathematical puzzles twillchallenge your mental arithmetic and powers of deductive reasoning. Tetonor rules: each number in the main grid can be formed by adding or multiplying a pair of numbers in the strip below the grid. Each pair of numbers should be used twice: once as part of an addition and once as part of a multiplication. For example, a 10 and 24 in the main grid may be solved by the sums, 4 + 6 and 4 x 6, respectively. Enter each sum in the boxes below its answer. Any blanks in the strip must be deduced, bearing in mind the numbers are listed in ascending order. 60 Easy, 80 Medium and 60 Difficult puzzles included.

A mental workout to rival Su Doku! Dozens of compelling and addictive maths puzzles to challenge your mental arithmetic, multiplication skills and powers of deductive reasoning. For all number puzzles addicts. Varying levels of difficulty. Tetonor rules: each number in the main grid can be formed by adding or multiplying a pair of numbers in the strip below the grid. Each pair of numbers should be used twice: once as part of an addition and once as part of a multiplication. For example, a 10 and 24 in the main grid may be solved by the sums, 4 + 6 and 4 x 6, respectively. Enter each sum in the boxes below its answer. Any blanks in the strip must be deduced, bearing in mind the numbers are listed in ascending order. Ideal for relaxing at home, on holiday or on the daily commute. Use your mental agility, logic and powers of deduction to tackle this collection of brainteasing puzzles from The Sunday Times. 60 easy, 80 medium and 60 difficult puzzles included.

Quiz your family at home with crosswords, puzzles and games.200 taxing brain teasers and riddles, demanding lateral thinking skills to solve. Ingenious challenges - some just a paragraph long, others with an accompanying diagram. You will need mathematical or logical reasoning to solve these.These teasers are for puzzlers of all abilities, no formal knowledge is required, just application and imagination.Some demand a logical approach, others a good mathematical mind; an agility with words will solve a handful more, but all demand a logical approach and lots of lateral thinking.Answers are given at the back of the book.Now get your thinking cap on!

Tetonor rules: each number in the main grid can be formed by adding or multiplying a pair of numbers in the strip below the grid. Each pair of numbers should be used twice: once as part of an addition and once as part of a multiplication. For example, a 10 and 24 in the main grid may be solved by the sums, 4 + 6 and 4 x 6, respectively. Enter each sum in the boxes below its answer. Any blanks in the strip must be deduced, bearing in mind the numbers are listed in ascending order. Use your mental agility, logic and powers of deduction to tackle this collection of brainteasing puzzles: 60 easy, 80 medium, and 60 difficult.

This entertaining books has an excellent selection of easy puzzles and brain games for adults. With large-print and clear images, this book is a delight for seniors. Have hours of fun and relaxation with this enjoyable book.

If you relish a serious mental workout, this collection of 100 brain teasers will demand your very best lateral thinking skills and mathematical rigour to solve. These puzzles will amuse and perplex in equal measure.

Test your powers of logic and mental agility with this mixed collection of 500 number and logic puzzles from the MindGames section of the Times. Puzzles include the favorites Suko, Brain Trainer, Cell Blocks, Futoshiki, Kakuro, Set Square, and KenKen. The perfect gift for all number and logic puzzle enthusiasts.

A new compilation of 80 cryptic crosswords from The Sunday Times, one of the greatest crossword puzzle challenges. These brainteasers will test all cryptic lovers to the limit! Our language, with its tens of thousands of words, intricate grammatical construction, and quirky idiomatic phrases, has proved an almost inexhaustible source for cryptic clues. Foreign words are constantly being absorbed into our language, into our dictionaries, and then into crossword puzzles. All the puzzles are set out in an easy-to-use, double-page spread to view layout, with all the solutions clearly laid out at the back of the book.

This challenging visual puzzle will appeal to lovers of logic and deduction brain teasers. How To Play: A map grid shows two towns, typically A and B. The objective of the puzzle is to lay down tracks to connect the two towns. Numbers around the outside of the grid tell you how many pieces of track are to be placed in each row and column. You can only use straight (horizontal and vertical) and curved (right and left) rails and the track cannot cross over itself. There is something very satisfying in the laying down of tracks. The puzzles are arranged with varying levels of difficulty, where difficulty is largely dependent on the size of the map grid (from 6x6 to 10x10). Puzzles included cover three levels of difficulty: 70 Easy, 70 Moderate, and 60 Difficult.