Multiple locks - Revision history

Oscarlevin at 04:28, 4 July 2013

2013-07-04T04:28:21Z

← Older revision		Revision as of 22:28, 3 July 2013
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	==Help==		==Help==

			{{Hint \| The first thing I would try is to make the problem easier by reducing the number of members in the club. It would be easy if there were only two members in the club. What if there were three?}}

	{{Needs answer}}		{{Needs answer}}

Zerrakhi: Spelling correction

2010-10-21T01:00:54Z

Spelling correction

← Older revision		Revision as of 19:00, 20 October 2010
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	==Puzzle==		==Puzzle==

	You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the chest is open. To ~~insure~~ this, you put multiple locks on the chest and distribute keys to members so that no one member can open the chest, but any two members can. Each lock has a different key, but you can make several copies of the same key to distribute to the club members. What is the fewest number of locks and keys that you will need?		You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the chest is open. To ensure this, you put multiple locks on the chest and distribute keys to members so that no one member can open the chest, but any two members can. Each lock has a different key, but you can make several copies of the same key to distribute to the club members. What is the fewest number of locks and keys that you will need?

	==Help==		==Help==

Oscarlevin at 01:04, 8 June 2010

2010-06-08T01:04:02Z

← Older revision		Revision as of 19:04, 7 June 2010
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			==Puzzle==

	You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the chest is open. To insure this, you put multiple locks on the chest and distribute keys to members so that no one member can open the chest, but any two members can. Each lock has a different key, but you can make several copies of the same key to distribute to the club members. What is the fewest number of locks and keys that you will need?		You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the chest is open. To insure this, you put multiple locks on the chest and distribute keys to members so that no one member can open the chest, but any two members can. Each lock has a different key, but you can make several copies of the same key to distribute to the club members. What is the fewest number of locks and keys that you will need?

			==Help==

			{{Needs answer}}

			==References==

			{{Problem Solving}}

	[[Category: Optimization puzzles]]		[[Category: Optimization puzzles]]

Oscarlevin: Created page with 'You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the …'

2010-04-13T00:21:09Z

Created page with 'You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the …'

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You belong to a club that has accumulated valuable jewelry. The treasure is kept in a chest. For security reasons, you want at least two of your 10 club members present when the chest is open. To insure this, you put multiple locks on the chest and distribute keys to members so that no one member can open the chest, but any two members can. Each lock has a different key, but you can make several copies of the same key to distribute to the club members. What is the fewest number of locks and keys that you will need?

[[Category: Optimization puzzles]]