document.write( "Question 1070705: David wants to arrange the twelve numbers from 1 to 12 in a circle so that any two
\n" ); document.write( "neighbouring numbers differ by either 2 or 3. Which of the following pairs of numbers have to
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\n" ); document.write( "(A) 5 and 8 (B) 3 and 5 (C) 7 and 9 (D) 6 and 8 (E) 4 and 6 \n" ); document.write( "
Algebra.Com's Answer #685785 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I've only found one way to make such a circle, other\r\n" );
document.write( "than to rotate it and/or reverse it:\r\n" );
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document.write( "             1\r\n" );
document.write( "         4      3\r\n" );
document.write( "       2          6\r\n" );
document.write( "      5            8\r\n" );
document.write( "       7          11\r\n" );
document.write( "        10       9\r\n" );
document.write( "            12\r\n" );
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document.write( "It has 6 and 8 as neighbors, but none of the others.\r\n" );
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document.write( "So the correct choice, if it can be one of those, it \r\n" );
document.write( "can only be (D)\r\n" );
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document.write( "Edwin
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