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# Master Mind

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### #1 rookie1ja

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Posted 30 March 2007 - 07:14 PM

Master Mind - Back to the Number Puzzles
Find the four-digit number designated by asterisks, given the following:

* All four digits of the unknown number are different.
* None of the digits is zero.
* Each “0” on the right of each four-digit number below indicates that the number has a matching digit in a non-matching position with the unknown number.
* Each “+” on the right of each four-digit number below indicates that the number has a matching digit in a matching position with the unknown number.

6152 +0
4182 00
5314 00
5789 +
-------------
****

This old topic is locked since it was answered many times. You can check solution in the Spoiler below.
Pls visit New Puzzles section to see always fresh brain teasers.

Spoiler for Solution

Spoiler for old wording

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### #2 uggelsome

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Posted 27 June 2007 - 03:47 PM

I actually got that right!
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### #3 BabyGurlV

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Posted 22 May 2009 - 04:17 PM

How did you arrive at that answer?
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### #4 odin787

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Posted 24 September 2009 - 09:47 PM

yeah, how? I'm confused.
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### #5 phillip1882

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Posted 18 October 2009 - 02:53 AM

Spoiler for how answer is gotten

Edited by phillip1882, 18 October 2009 - 02:53 AM.

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### #6 dvyes

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Posted 19 May 2010 - 01:15 PM

6419 also satisfies the conditions
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### #7 donhimanshupandey

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Posted 31 May 2010 - 10:54 AM

6419 also satisfies the conditions

sorry but 6419 violates 5314 00
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