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Archive for September, 2012

Hat pick

Posted by Chris under MathsChallenge (19 Responds)

Six gentlemen hung their hats in the cloakroom at their club. After imbibing for several hours, when it came time to leave, each had blurred vision, and in consequence, all of them picked up one of the others hats.
What is the probability of no one getting the right hat?

From the “Medium” TV show, Season 5 Ep 6

Posted by ragknot under Tom (3 Responds)

Easy problem …
The Mudville Rockets are building a new stadium. Three times the width of the field is twice its length and four times the length is 20 more than the perimeter.
Find the dimensions of the stadium.

Frank and Tank (part 2)

Posted by DP under Logic, Tom (5 Responds)

Frank and Tank (the twins) have decided to play the same game again, with the same contestants. The rules are the same:
Franks explains, “In a small room, behind closed doors, a very large sum of money will be randomly placed into one of 5 safes by a third party, observed only by my brother, Tank. [...]

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