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    <title>Brain Teasers</title>
    <link>http://geniusbrainteasers.com</link>
    <description>puzzles, riddles, mathematical problems, mastermind, cinemania...</description>
    <dc:language>en</dc:language>
    <dc:rights>Copyright 2015</dc:rights>
<item>
	<title>What a winning combination?</title>
	<link>http://geniusbrainteasers.com/What-a-winning-combination/8747</link>
	<guid>http://geniusbrainteasers.com/What-a-winning-combination/8747</guid>
	<description>
	<![CDATA[
	The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/What-a-winning-combination/8747"><img src="http://geniusbrainteasers.com/archive/2026/06/16/mastermind-1781568301.png" width="350" alt="What a winning combination?" /></a>
		<br />
	#brainteasers <a href='/tag/mastermind/'>#mastermind</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/What-a-winning-combination/8747">http://geniusbrainteasers.com/What-a-winning-combination/8747</a>
	]]>
	</description>
	<pubDate>Tue, 16 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 4438</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-4438/8746</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-4438/8746</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 4438 using numbers [8, 6, 6, 9, 24, 302] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-4438/8746"><img src="http://geniusbrainteasers.com/archive/2026/06/15/numbermania-1781481901.png" width="350" alt="Calculate the number 4438" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a> #numbermania	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-4438/8746">http://geniusbrainteasers.com/calculate-the-number-4438/8746</a>
	]]>
	</description>
	<pubDate>Mon, 15 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8745</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8745</guid>
	<description>
	<![CDATA[
	If c40b1 + a313b = 15b208 find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8745"><img src="http://geniusbrainteasers.com/archive/2026/06/14/math-1781395501.png" width="350" alt="Find number abc" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8745">http://geniusbrainteasers.com/Find-number-abc/8745</a>
	]]>
	</description>
	<pubDate>Sun, 14 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 935</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-935/8744</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-935/8744</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 935 using numbers [3, 2, 1, 5, 79, 358] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-935/8744"><img src="http://geniusbrainteasers.com/archive/2026/06/12/numbermania-1781222701.png" width="350" alt="Calculate the number 935" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a> #numbermania	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-935/8744">http://geniusbrainteasers.com/calculate-the-number-935/8744</a>
	]]>
	</description>
	<pubDate>Fri, 12 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>MAGIC SQUARE: Calculate A*B*C</title>
	<link>http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8743</link>
	<guid>http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8743</guid>
	<description>
	<![CDATA[
	The aim is to place the some numbers from the list (12, 13, 15, 22, 23, 25, 28, 29, 31, 68, 72, 91) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B*C.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8743"><img src="http://geniusbrainteasers.com/archive/2026/06/11/magic-square-1781136373.png" width="350" alt="MAGIC SQUARE: Calculate A*B*C" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a> #magicsquare	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8743">http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8743</a>
	]]>
	</description>
	<pubDate>Thu, 11 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8742</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8742</guid>
	<description>
	<![CDATA[
	If 9a1cc - b9aa9 = 5acbb find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8742"><img src="http://geniusbrainteasers.com/archive/2026/06/10/math-1781049901.png" width="350" alt="Find number abc" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8742">http://geniusbrainteasers.com/Find-number-abc/8742</a>
	]]>
	</description>
	<pubDate>Wed, 10 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>What a winning combination?</title>
	<link>http://geniusbrainteasers.com/What-a-winning-combination/8741</link>
	<guid>http://geniusbrainteasers.com/What-a-winning-combination/8741</guid>
	<description>
	<![CDATA[
	The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/What-a-winning-combination/8741"><img src="http://geniusbrainteasers.com/archive/2026/06/09/mastermind-1780963502.png" width="350" alt="What a winning combination?" /></a>
		<br />
	#brainteasers <a href='/tag/mastermind/'>#mastermind</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/What-a-winning-combination/8741">http://geniusbrainteasers.com/What-a-winning-combination/8741</a>
	]]>
	</description>
	<pubDate>Tue, 09 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 1689</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-1689/8740</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-1689/8740</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 1689 using numbers [5, 3, 1, 1, 28, 559] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-1689/8740"><img src="http://geniusbrainteasers.com/archive/2026/06/08/numbermania-1780877101.png" width="350" alt="Calculate the number 1689" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a> #numbermania	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-1689/8740">http://geniusbrainteasers.com/calculate-the-number-1689/8740</a>
	]]>
	</description>
	<pubDate>Mon, 08 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8739</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8739</guid>
	<description>
	<![CDATA[
	If c9b81 + 9baca = 1ca8ab find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8739"><img src="http://geniusbrainteasers.com/archive/2026/06/07/math-1780790701.png" width="350" alt="Find number abc" /></a>
		<br />
	#brainteasers <a href='/tag/math/'>#math</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8739">http://geniusbrainteasers.com/Find-number-abc/8739</a>
	]]>
	</description>
	<pubDate>Sun, 07 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Which is a winning combination of digits?</title>
	<link>http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8738</link>
	<guid>http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8738</guid>
	<description>
	<![CDATA[
	The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8738"><img src="http://geniusbrainteasers.com/archive/2026/06/06/mastermind-1780704301.png" width="350" alt="Which is a winning combination of digits?" /></a>
		<br />
	#brainteasers <a href='/tag/mastermind/'>#mastermind</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8738">http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8738</a>
	]]>
	</description>
	<pubDate>Sat, 06 Jun 2026 00:00:00</pubDate>
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