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	<title>Netturbe Blog &#187; Enigmi</title>
	<atom:link href="http://www.netturbe.com/blog/tag/enigmi/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.netturbe.com/blog</link>
	<description>Un&#039;altra chicca di netturbe.com</description>
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		<item>
		<title>Dall&#8217;ortolano</title>
		<link>http://www.netturbe.com/blog/2010/01/ortolano/</link>
		<comments>http://www.netturbe.com/blog/2010/01/ortolano/#comments</comments>
		<pubDate>Tue, 12 Jan 2010 11:25:05 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Enigmi]]></category>
		<category><![CDATA[cervello]]></category>
		<category><![CDATA[matematica]]></category>
		<category><![CDATA[ortolano]]></category>
		<category><![CDATA[peso]]></category>

		<guid isPermaLink="false">http://www.netturbe.com/blog/?p=1851</guid>
		<description><![CDATA[L&#8217;ortolano vi mostra una bilancia con due piatti che si trova in equilibrio.
Sul piatto di sinistra ci sono due melanzane e su quello di destra tre peperoni.
Dal piatto di destra l&#8217;ortolano toglie due peperoni e li sostituisce con un cespo di insalata.
Voi notate che anche dopo questa modifica i  [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">L&#8217;ortolano vi mostra una bilancia con due piatti che si trova in equilibrio.<br />
Sul piatto di sinistra ci sono due melanzane e su quello di destra tre peperoni.<br />
Dal piatto di destra l&#8217;ortolano toglie due peperoni e li sostituisce con un cespo di insalata.<br />
Voi notate che anche dopo questa modifica i due piatti sono perfettamente bilanciati.</p>
<p style="text-align: justify;">Sapendo che una melanzana e un peperone pesano insieme 300 grammi e supponendo che ortaggi della stessa specie abbiano lo stesso peso, sapreste stabilire quanto pesa il cespo di insalata?</p>
<p><img class="alignnone size-full wp-image-3309" title="Ortolano" src="http://www.netturbe.com/blog/wp-content/uploads/2010/01/Un-ortolano-confuso.jpg" alt="" width="533" height="489" /></p>
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		<title>Pappagalli preziosi</title>
		<link>http://www.netturbe.com/blog/2010/01/pappagalli-preziosi/</link>
		<comments>http://www.netturbe.com/blog/2010/01/pappagalli-preziosi/#comments</comments>
		<pubDate>Tue, 12 Jan 2010 09:12:48 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Enigmi]]></category>
		<category><![CDATA[conti]]></category>
		<category><![CDATA[matematica]]></category>
		<category><![CDATA[pappagalli]]></category>

		<guid isPermaLink="false">http://www.netturbe.com/blog/?p=1832</guid>
		<description><![CDATA[In una voliera c&#8217;erano 5 pappagalli. Il loro prezzo medio era di euro 60.
Un giorno durante la pulizia della gabbia il più bello scappò.
Il nuovo prezzo medio ora è di 50 euro.
- Qual era il prezzo del fuggitivo?

Condividi questo post tramite...        ]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">In una voliera c&#8217;erano 5 pappagalli. Il loro prezzo medio era di euro 60.<br />
Un giorno durante la pulizia della gabbia il più bello scappò.<br />
Il nuovo prezzo medio ora è di 50 euro.</p>
<p style="text-align: justify;">- Qual era il prezzo del fuggitivo?</p>
<p><img class="alignnone size-full wp-image-3315" title="pappagalli" src="http://www.netturbe.com/blog/wp-content/uploads/2010/01/pappagalli.jpg" alt="" width="560" height="371" /></p>
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		</item>
		<item>
		<title>L&#8217;isola dei bugiardi</title>
		<link>http://www.netturbe.com/blog/2009/11/lisola-dei-bugiardi/</link>
		<comments>http://www.netturbe.com/blog/2009/11/lisola-dei-bugiardi/#comments</comments>
		<pubDate>Mon, 09 Nov 2009 13:58:49 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Enigmi]]></category>
		<category><![CDATA[bugie]]></category>
		<category><![CDATA[soluzione]]></category>
		<category><![CDATA[Test]]></category>
		<category><![CDATA[verità]]></category>

		<guid isPermaLink="false">http://www.netturbe.com/blog/?p=1622</guid>
		<description><![CDATA[La popolazione di quest&#8217;isola è divisa in 2, una parte è sempre sincera, l&#8217;altra parte è sempre bugiarda. In particolare vi sono Andrea, Barbara e Ciro, che stanno discutendo tra loro:
Andrea: &#8220;Barbara è sincera!&#8221;
Barbara: &#8220;Andrea e Ciro sono sinceri!&#8221;
Ciro: &#8220;Andrea è un bugiardo!!!&#8221;
Cosa possiamo  [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">La popolazione di quest&#8217;isola è divisa in 2, una parte è sempre sincera, l&#8217;altra parte è sempre bugiarda. In particolare vi sono Andrea, Barbara e Ciro, che stanno discutendo tra loro:<br />
Andrea: &#8220;Barbara è sincera!&#8221;<br />
Barbara: &#8220;Andrea e Ciro sono sinceri!&#8221;<br />
Ciro: &#8220;Andrea è un bugiardo!!!&#8221;</p>
<p style="text-align: justify;">Cosa possiamo dire?<br />
-Sono tutti e tre bugiardi<br />
-Sono tutti e 3 sinceri<br />
-Andrea e Barbara sono sinceri e Ciro è bugiardo<br />
-Andrea e Barbara sono bugiardi, Ciro è sincero<br />
-Andrea è sincero, Barbara e Ciro sono bugiardi</p>
<p><a href="http://www.netturbe.com/blog/wp-content/uploads/2009/11/bugiardo.jpg"><img class="alignnone size-full wp-image-3446" title="bugiardo" src="http://www.netturbe.com/blog/wp-content/uploads/2009/11/bugiardo.jpg" alt="" width="400" height="300" /></a></p>
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		<item>
		<title>Lupo, Capra e Cavoli</title>
		<link>http://www.netturbe.com/blog/2009/11/lupo-capra-e-cavoli/</link>
		<comments>http://www.netturbe.com/blog/2009/11/lupo-capra-e-cavoli/#comments</comments>
		<pubDate>Mon, 09 Nov 2009 12:48:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Enigmi]]></category>
		<category><![CDATA[barca]]></category>
		<category><![CDATA[capra]]></category>
		<category><![CDATA[cavoli]]></category>
		<category><![CDATA[contadino]]></category>
		<category><![CDATA[lupo]]></category>

		<guid isPermaLink="false">http://www.netturbe.com/blog/?p=1586</guid>
		<description><![CDATA[
Un contadino deve trasportare dalla sponda A alla sponda B di un fiume un lupo, una capra e una cesta di cavoli, disponendo di una piccola barca in grado di portare soltanto lui in compagnia di uno dei due animali oppure lui con la sola cesta di cavoli. Il fatto è che lasciando insieme capra e  [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;"><a href="http://www.netturbe.com/blog/wp-content/uploads/2009/11/lupo-capra-cavoli.gif"><img class="alignnone size-full wp-image-3451" title="lupo-capra-cavoli" src="http://www.netturbe.com/blog/wp-content/uploads/2009/11/lupo-capra-cavoli.gif" alt="" width="251" height="245" /></a></p>
<p>Un contadino deve trasportare dalla sponda A alla sponda B di un fiume un lupo, una capra e una cesta di cavoli, disponendo di una piccola barca in grado di portare soltanto lui in compagnia di uno dei due animali oppure lui con la sola cesta di cavoli. Il fatto è che lasciando insieme capra e cavoli, l&#8217;animale mangerebbe i cavoli, mentre lasciando la capra con il lupo, quest&#8217;ultimo mangerebbe la capra. Inoltre la presenza del contadino è importante affinché il lupo non mangi la capra e affinché essa non mangi i cavoli. Sapreste indicare al contadino il modo corretto per raggiungere il suo scopo?</p>
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		<title>Penne rosse e penne blu</title>
		<link>http://www.netturbe.com/blog/2009/10/penne-rosse-e-penne-blu/</link>
		<comments>http://www.netturbe.com/blog/2009/10/penne-rosse-e-penne-blu/#comments</comments>
		<pubDate>Thu, 22 Oct 2009 12:51:06 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Enigmi]]></category>
		<category><![CDATA[logica]]></category>
		<category><![CDATA[matematica]]></category>

		<guid isPermaLink="false">http://www.netturbe.com/blog/?p=1355</guid>
		<description><![CDATA[In un ufficio si usano solo penne blu e penne rosse.
I portapenne con almeno due penne hanno almeno una penna blu.
Se ne deduce che:
1) i portapenne che hanno solo penne blu contengono una sola penna;
2) i portapenne che hanno una sola penna non possono avere una penna rossa;
3) un portapenne che  [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">In un ufficio si usano solo penne blu e penne rosse.<br />
I portapenne con almeno due penne hanno almeno una penna blu.</p>
<p style="text-align: justify;">Se ne deduce che:<br />
1) i portapenne che hanno solo penne blu contengono una sola penna;<br />
2) i portapenne che hanno una sola penna non possono avere una penna rossa;<br />
3) un portapenne che contiene due penne ha una penna rossa e una blu;<br />
4) nessuna delle precedenti
</p>
<p style="text-align: justify;">Quale delle 4 definizioni è corretta?</p>
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		<title>Remare lungo il fiume</title>
		<link>http://www.netturbe.com/blog/2009/10/remare-lungo-il-fiume/</link>
		<comments>http://www.netturbe.com/blog/2009/10/remare-lungo-il-fiume/#comments</comments>
		<pubDate>Thu, 22 Oct 2009 11:12:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Enigmi]]></category>
		<category><![CDATA[giochi]]></category>
		<category><![CDATA[matematica]]></category>

		<guid isPermaLink="false">http://www.netturbe.com/blog/?p=1328</guid>
		<description><![CDATA[Andrea e Mario abitano lungo un fiume e la casa di Andrea è 600 metri più a valle rispetto a quella di Mario.
Un giorno essi escono contemporaneamente in barca:
- Mario si lascia trascinare dalla corrente fino alla casa di Andrea, mentre questi si mette a remare con una velocità tripla di quella  [...]]]></description>
			<content:encoded><![CDATA[<p style="text-align: justify;">Andrea e Mario abitano lungo un fiume e la casa di Andrea è 600 metri più a valle rispetto a quella di Mario.<br />
Un giorno essi escono contemporaneamente in barca:<br />
- Mario si lascia trascinare dalla corrente fino alla casa di Andrea, mentre questi si mette a remare con una velocità tripla di quella della corrente, risale il fiume fino a un certo punto e poi, sempre remando con lo stesso ritmo, torna verso casa e vi arriva contemporaneamente a Mario.
</p>
<p style="text-align: justify;">A quale distanza da casa Andrea ha voltato la barca per rientrare?</p>
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