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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>Calculate the number 443</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-443/8860</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-443/8860</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 443 using numbers [2, 9, 7, 1, 22, 154] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-443/8860"><img src="http://geniusbrainteasers.com/archive/2026/10/09/numbermania-1791504302.png" width="350" alt="Calculate the number 443" /></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-443/8860">http://geniusbrainteasers.com/calculate-the-number-443/8860</a>
	]]>
	</description>
	<pubDate>Fri, 09 Oct 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/8859</link>
	<guid>http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8859</guid>
	<description>
	<![CDATA[
	The aim is to place the some numbers from the list (9, 14, 16, 22, 26, 28, 29, 31, 34, 37, 64, 68, 73) 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/8859"><img src="http://geniusbrainteasers.com/archive/2026/10/08/magic-square-1791418017.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/8859">http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8859</a>
	]]>
	</description>
	<pubDate>Thu, 08 Oct 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8858</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8858</guid>
	<description>
	<![CDATA[
	If 37a8b - 3c563 = abc6 find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8858"><img src="http://geniusbrainteasers.com/archive/2026/10/07/math-1791331501.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/8858">http://geniusbrainteasers.com/Find-number-abc/8858</a>
	]]>
	</description>
	<pubDate>Wed, 07 Oct 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/8857</link>
	<guid>http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8857</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/8857"><img src="http://geniusbrainteasers.com/archive/2026/10/06/mastermind-1791245101.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/8857">http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8857</a>
	]]>
	</description>
	<pubDate>Tue, 06 Oct 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 1467</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-1467/8856</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-1467/8856</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 1467 using numbers [8, 6, 5, 5, 91, 959] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-1467/8856"><img src="http://geniusbrainteasers.com/archive/2026/10/05/numbermania-1791158701.png" width="350" alt="Calculate the number 1467" /></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-1467/8856">http://geniusbrainteasers.com/calculate-the-number-1467/8856</a>
	]]>
	</description>
	<pubDate>Mon, 05 Oct 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8855</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8855</guid>
	<description>
	<![CDATA[
	If 86cca - b920c = 6ca68 find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8855"><img src="http://geniusbrainteasers.com/archive/2026/10/04/math-1791072301.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/8855">http://geniusbrainteasers.com/Find-number-abc/8855</a>
	]]>
	</description>
	<pubDate>Sun, 04 Oct 2026 00:00:00</pubDate>
</item>
<item>
	<title>What a winning combination?</title>
	<link>http://geniusbrainteasers.com/What-a-winning-combination/8854</link>
	<guid>http://geniusbrainteasers.com/What-a-winning-combination/8854</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/8854"><img src="http://geniusbrainteasers.com/archive/2026/10/03/mastermind-1790985902.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/8854">http://geniusbrainteasers.com/What-a-winning-combination/8854</a>
	]]>
	</description>
	<pubDate>Sat, 03 Oct 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 1037</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-1037/8853</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-1037/8853</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 1037 using numbers [5, 4, 4, 3, 29, 106] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-1037/8853"><img src="http://geniusbrainteasers.com/archive/2026/10/02/numbermania-1790899501.png" width="350" alt="Calculate the number 1037" /></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-1037/8853">http://geniusbrainteasers.com/calculate-the-number-1037/8853</a>
	]]>
	</description>
	<pubDate>Fri, 02 Oct 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/8852</link>
	<guid>http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8852</guid>
	<description>
	<![CDATA[
	The aim is to place the some numbers from the list (7, 8, 9, 13, 14, 15, 20, 21, 22, 97) 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/8852"><img src="http://geniusbrainteasers.com/archive/2026/10/01/magic-square-1790813126.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/8852">http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8852</a>
	]]>
	</description>
	<pubDate>Thu, 01 Oct 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8851</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8851</guid>
	<description>
	<![CDATA[
	If 2aaa6 + b0c40 = cca6b6 find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8851"><img src="http://geniusbrainteasers.com/archive/2026/09/30/math-1790726701.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/8851">http://geniusbrainteasers.com/Find-number-abc/8851</a>
	]]>
	</description>
	<pubDate>Wed, 30 Sep 2026 00:00:00</pubDate>
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