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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 1346</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-1346/8737</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-1346/8737</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 1346 using numbers [1, 3, 8, 5, 91, 479] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-1346/8737"><img src="http://geniusbrainteasers.com/archive/2026/06/05/numbermania-1780617901.png" width="350" alt="Calculate the number 1346" /></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-1346/8737">http://geniusbrainteasers.com/calculate-the-number-1346/8737</a>
	]]>
	</description>
	<pubDate>Fri, 05 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/8736</link>
	<guid>http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8736</guid>
	<description>
	<![CDATA[
	The aim is to place the some numbers from the list (5, 6, 11, 13, 14, 19, 29, 31, 32, 37) 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/8736"><img src="http://geniusbrainteasers.com/archive/2026/06/04/magic-square-1780531529.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/8736">http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8736</a>
	]]>
	</description>
	<pubDate>Thu, 04 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8735</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8735</guid>
	<description>
	<![CDATA[
	If c708b - 78aa0 = 1886b find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8735"><img src="http://geniusbrainteasers.com/archive/2026/06/03/math-1780445101.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/8735">http://geniusbrainteasers.com/Find-number-abc/8735</a>
	]]>
	</description>
	<pubDate>Wed, 03 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find the right combination</title>
	<link>http://geniusbrainteasers.com/Find-the-right-combination/8734</link>
	<guid>http://geniusbrainteasers.com/Find-the-right-combination/8734</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/Find-the-right-combination/8734"><img src="http://geniusbrainteasers.com/archive/2026/06/02/mastermind-1780358701.png" width="350" alt="Find the right combination" /></a>
		<br />
	#brainteasers <a href='/tag/mastermind/'>#mastermind</a>	<br /><br />
	Check answer on page <a target="_blank" href="http://geniusbrainteasers.com/Find-the-right-combination/8734">http://geniusbrainteasers.com/Find-the-right-combination/8734</a>
	]]>
	</description>
	<pubDate>Tue, 02 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 1421</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-1421/8733</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-1421/8733</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 1421 using numbers [9, 4, 1, 2, 74, 383] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-1421/8733"><img src="http://geniusbrainteasers.com/archive/2026/06/01/numbermania-1780272301.png" width="350" alt="Calculate the number 1421" /></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-1421/8733">http://geniusbrainteasers.com/calculate-the-number-1421/8733</a>
	]]>
	</description>
	<pubDate>Mon, 01 Jun 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8732</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8732</guid>
	<description>
	<![CDATA[
	If baacc + 2a311 = 122baa find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8732"><img src="http://geniusbrainteasers.com/archive/2026/05/31/math-1780185901.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/8732">http://geniusbrainteasers.com/Find-number-abc/8732</a>
	]]>
	</description>
	<pubDate>Sun, 31 May 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/8731</link>
	<guid>http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8731</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/8731"><img src="http://geniusbrainteasers.com/archive/2026/05/30/mastermind-1780099502.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/8731">http://geniusbrainteasers.com/Which-is-a-winning-combination-of-digits/8731</a>
	]]>
	</description>
	<pubDate>Sat, 30 May 2026 00:00:00</pubDate>
</item>
<item>
	<title>Calculate the number 7592</title>
	<link>http://geniusbrainteasers.com/calculate-the-number-7592/8730</link>
	<guid>http://geniusbrainteasers.com/calculate-the-number-7592/8730</guid>
	<description>
	<![CDATA[
	NUMBERMANIA: Calculate the number 7592 using numbers [5, 8, 9, 3, 42, 881] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/calculate-the-number-7592/8730"><img src="http://geniusbrainteasers.com/archive/2026/05/29/numbermania-1780013101.png" width="350" alt="Calculate the number 7592" /></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-7592/8730">http://geniusbrainteasers.com/calculate-the-number-7592/8730</a>
	]]>
	</description>
	<pubDate>Fri, 29 May 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/8729</link>
	<guid>http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8729</guid>
	<description>
	<![CDATA[
	The aim is to place the some numbers from the list (16, 17, 22, 28, 29, 34, 45, 60, 61, 66) 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/8729"><img src="http://geniusbrainteasers.com/archive/2026/05/28/magic-square-1779926727.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/8729">http://geniusbrainteasers.com/MAGIC-SQUARE-Calculate-A-B-C/8729</a>
	]]>
	</description>
	<pubDate>Thu, 28 May 2026 00:00:00</pubDate>
</item>
<item>
	<title>Find number abc</title>
	<link>http://geniusbrainteasers.com/Find-number-abc/8728</link>
	<guid>http://geniusbrainteasers.com/Find-number-abc/8728</guid>
	<description>
	<![CDATA[
	If c89a9 - 1b92c = 2104a find number abc. Multiple solutions may exist. 	<br />
		<a target="_blank" href="http://geniusbrainteasers.com/Find-number-abc/8728"><img src="http://geniusbrainteasers.com/archive/2026/05/27/math-1779840301.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/8728">http://geniusbrainteasers.com/Find-number-abc/8728</a>
	]]>
	</description>
	<pubDate>Wed, 27 May 2026 00:00:00</pubDate>
</item>
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