# 002_Logic Puzzles

## String & Knot Puzzles

Which ring of string is unknotted: A or B?

From Sarcone's String & Knots Puzzles series.

©Archimedes Lab. Dist. Knight Features. All rights reserved.

In which loop A or B may your finger be gripped if we draw the strings ends while it is aside?

From Sarcone's String & Knots Puzzles series.

©Archimedes Lab. Dist. Knight Features. All rights reserved.

Which diagram shows two rings of string LINKED together: A or B?

From Sarcone's String & Knots Puzzles series.

©Archimedes Lab. Dist. Knight Features. All rights reserved.

Which diagram shows two rings of string LINKED together: A or B?

From Sarcone's String & Knots Puzzles series.

©Archimedes Lab. Dist. Knight Features. All rights reserved.

Synaptic Puzzles to enhance mental flexibility.

## Think Tank

What word should go into the final box?

What is the lateral connection behind the creation of 10-oin bowling, mime artistry and ice-cream sundaes?

This puzzle uses a well-known optical illusion. In each case, select the arrow head that you think goes with each flight.

What four-letter work can be made from the letters you have selected?

How many moves away am I from completing this sliding block puzzle? A move consists of moving a row or column of tiles (or part of one).

Each of the characters in this sum box represents a different number, with the sum of all the numbers at the end of each row and column. Can you work out which number is each character represents and fill in the question mark?

From the given clues, in no particular order, find the five 5-letter answers. Fit each answer into one of the rows of dots, so that every same-coloured dot contains the same letter. What's the seven letter word?

Clues: Light beer. Firearm. Queenly.

Look daggers. Substantial

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

Each colour represents a direction (up, down, left or right) and the number of dots on each die tell you how far to go. Starting in the middle die of the maze, follow the directions correctly and you will visit every die in turn once only. Which dice is the last you visit on your trip?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

Can you work out which areas of this diagram represent striped fresh water flat fish that don’t have dorsal fins, and salt water flat fish that have dorsal fins but not stripes?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

The numbers on the side and bottom of the grid indicate occupied squares or groups of consecutive occupied squares in each row or column. Can you finish the grid so that it contains three Trawlers, three Tugs and three Buoys so that the numbers tally?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

The twenty steps that make up this dance end with the

Red Step. Can you trace back the sequence from there and

work out which was the very first step in the dance?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

Can you place a queen, a bishop, a knight and a rook on this chessboard that the red squares are attacked by exactly two pieces, the green ones by 3 pieces and the yellow ones by 4 pieces?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

This cut-out shape can be folded to make a cube.

Which of the four cubes below is the only one it could make?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

Which two of these block piles could be fitted neatly together to make a perfect 3 x 3 x 3 cube?

©Guy Campbell. Dist. Knight Features. All Rights Reserved.

Find the FIVE matching tiles.

Set the numbers to find the year in the 1600s when on those tiles, in the order they appear, among the mathematical signs below

Colonel Blood dressed as a priest, with two accomplices, stole the crown, orb but was pardoned and sceptre from the Tower of London. He was caught outside, by Charles II.

©BMPuzzles.

Using the four symbols, fill in the canvas so that no sections containing the same symbol touch on any side or corner.

©BMPuzzles

Harriet had a bad dream. Ballet shoes were flying around the room in all directions.

She was going to be late for her dance class. She needed a left shoe and a right shoe.

They had to match in every detail. She tried very hard on her own. O dear! She couldn't

see two shoes which were the same. Can you help her?

©BMPuzzles

Illustrated puzzles based on the Sherlock Holmes stories by Conan Doyle.

This game, involving square patterns, is a tribute to the Greek mathematician Pythagoras and was designed to stimulate your visuospatial skills!

*Geometric problems to solve with a piece of cheese.*

Puzzles involving a fitness treadmill and Fred, Gianni's hamster!

# Kids Logic Puzzles

Follow the compass directions. Which letter leads to which symbol at the top?

Move from CAP to HAT, changing one letter each time, across or down,but not diagonally.

Find the three lines with the same total and use the letters in those lines to form a word.

Drop the 3-letter words into the gaps to complete the 7-letter words. Which 3-letter word is not used?

Fill in the corners to form words across and down. Which letter is not used?

The arrows are compass directions. Add the other letter to the arrow letter to form a word.

©BM Puzzles. Dist. Knight Features. All Rights Reserved.

Moving from 5 to 6 pick up four more numbers so that all add up to 27. All six must be different.

©BM Puzzles. Dist. Knight Features. All Rights Reserved.

Which letters of the alphabet are missing? Use them to form the name of a celebrity.

Moving from 5 to 6 pick up four more numbers so that all add up to 27. All six must be different.

©BM Puzzles. Dist. Knight Features. All Rights Reserved.

What is the total of these single-digit numbers?

©BM Puzzles. Dist. Knight Features. All Rights Reserved.

Replace each letter with the one which comes two places BEFORE or AFTER it in the alphabet to find the word.

©BM Puzzles. Dist. Knight Features. All Rights Reserved.

Animal Crackers

Baker Street Puzzle Strip

Baker Street Puzzles

Battleships

Boxes

Brainies

Brainies: Invisible

Brainsnacks®

Can You Read This Mystery Message?

Cubism

Galaxies

Gear and Belt Puzzles

GeoMouse

Inspector Danger's Crime Quiz

IQ Test

Kid's Brainticklers

Kids' Puzzles

Knot Tricks

Light Up

Logic Gates

Loopy

Lotto

Maysu

Memory Boosting Puzzles

Mind Benders

Mind Olympics

Number Links

Odd One Out

Oxox

Percentage Point

Pic Puzzles

Pipe Line

Quipus

Rainbow Reckoning

Safecracker

Shapelet

Sign Posts

Signs Out

Slither Link

Sports Mind Games

Sports Puzzles

Think Tank

Trees

Where in The World?

Puzzle Spot