document.write( "Question 691422: Direction: In each of the following number series questions one number is wrong. You have to identify that number
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Algebra.Com's Answer #426696 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "35   58   87  119  155  196\r\n" );
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document.write( "Let's form a difference table.  To do that let's \r\n" );
document.write( "subtract each from its right neighbor and place\r\n" );
document.write( "the diference between and below wach pair subtracted\r\n" );
document.write( "on the second row. Then do the same with that row \r\n" );
document.write( "and the row below it.\r\n" );
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document.write( "35   58   87  119  155  196\r\n" );
document.write( "   23   29   32   36   41\r\n" );
document.write( "      6    3    4    5 \r\n" );
document.write( "        -3    1    1\r\n" );
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document.write( "There are 2 1's on the bottom row.  Let's change the\r\n" );
document.write( "-3 on the bottom row to 1 also, so we'd have all 1's \r\n" );
document.write( "on the bottom row.\r\n" );
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document.write( "35   58   87  119  155  196\r\n" );
document.write( "   23   29   32   36   41\r\n" );
document.write( "      6    3    4    5 \r\n" );
document.write( "         1    1    1\r\n" );
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document.write( "That would make the 6 have to be a 2, so that 3-2 = 1\r\n" );
document.write( "So let's change the 6 to 2\r\n" );
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document.write( "35   58   87  119  155  196\r\n" );
document.write( "   23   29   32   36   41\r\n" );
document.write( "      2    3    4    5 \r\n" );
document.write( "         1    1    1\r\n" );
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document.write( "That would make the 23 have to be a 27, so that 29-27=2\r\n" );
document.write( "So let's change the 23 to 27\r\n" );
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document.write( "35   58   87  119  155  196\r\n" );
document.write( "   27   29   32   36   41\r\n" );
document.write( "      2    3    4    5 \r\n" );
document.write( "         1    1    1\r\n" );
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document.write( "That would make the 35 have to be a 31, so that 58-31=27.\r\n" );
document.write( "So let's change the 35 to 31\r\n" );
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document.write( "31   58   87  119  155  196\r\n" );
document.write( "   27   29   32   36   41\r\n" );
document.write( "      2    3    4    5 \r\n" );
document.write( "         1    1    1\r\n" );
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document.write( "Answer: the first number 35, is wrong, and should be 31.\r\n" );
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document.write( "Edwin

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