document.write( "Question 1143860: A box contains 4 red cards, 6 blue cards and 10 green cards. What is the smallest number of cards we must take from the box to make sure that we have 2 red cards? \n" ); document.write( "

Algebra.Com's Answer #764792 by ikleyn(52795) $\"\"$ $\"About$

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document.write( "In the worst case, you will take 6 blue and 10 green cards first;\r\n" );
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document.write( "but then the next two cards INEVITABLY will be red.\r\n" );
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document.write( "ANSWER.  Whatever (6 + 10) + 2 = 18 card you take from the box, at least 2 of them will be red.\r\n" );
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