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Archive for May, 2011

## The Pyramids Aren’t Big Enough

Posted by Karl Sharman under Tom (8 Responds)

In the Smithsonian Institute there is a miniature model of one of the Pyramids at Gisa (in Egypt). It is 48 inches in height.
For the World Fair in New York 2020 they would like to display it, but it was thought to be too small so they decided to build a scaled-up model of the [...]

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## Chess and a Half

Posted by Karl Sharman under Tom (16 Responds)

If you were to construct a 8 × 12 chequered square (i.e., an 8 × 12 chess board), how many rectangles would there be in total?

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## Ditloids

Posted by JG under Logic, SharedPuzzle, wordfun (14 Responds)

Solve each ditloid
5 B O M
7 W O T W
10 C F G
6 P O T S O D
13 I A B D
40 D A 40 N O R I T F O G S O B N A H F
52 C I A D
64 S O A C B
366 D I A L Y
666 N [...]

## Where is the Diamond?

Posted by JG under Tom (14 Responds)

A rich old lady died and left all her money to her grandchildren and her children. At the end of the will she stated that she had one last thing to give away: her precious diamond. She gave a clue to where it might be. She said “it’s in a cylinder surrounded by a thousand [...]

## Which Door to Die By?

Posted by JG under Tom (19 Responds)

A man is trapped in a room. The room has only two possible exits: two doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

## Unforseen Flaws

Posted by JG under Logic, SharedPuzzle, Tom (7 Responds)

A teacher was having trouble getting her students to learn their facts, but she noticed that her students often played the game “Rock, Paper, Scissors”. She made a game with similar rules in order to encourage the students to learn their facts.
The class would be divided into three teams: Rock, Paper and Scissors. The teacher [...]

## Drinking in the Desert

Posted by JG under Logic, Tom, wordfun (15 Responds)

A man was trapped in the desert for two weeks. He had no food, no water, and nothing to help him find a way out of the desert. Somehow, the man drank as much water as he wanted. How did he do it?

## How Long Is A Piece Of String?

Posted by Karl Sharman under Tom (15 Responds)

A nice easy one to relieve the midweek brain-strain…
A cylinder 84 cm high has a circumference of 16 cm. A string makes exactly 7 complete turns round the cylinder while its two ends touch the cylinder’s top and bottom. How long is the string?
I want to see the working out behind this too!

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## Riddle Time

Posted by JG under Logic, Tom, wordfun (23 Responds)