2007-11-27
10, 9, 60, 90, 70, 66, ?
20. What number comes next in the sequence: 10, 9, 60, 90, 70, 66, ?
A) 96
B) 1000000000000000000000000000000000\
0000000000000000000000000000000000\
000000000000000000000000000000000
C) Either of the above
D) None of the above
This can be looked up and found to be sequence A052196 in the On-Line Encyclopedia of Integer Sequences, which gives the largest positive integer whose English name has n letters. For example, the first few terms are ten, nine, sixty, ninety, seventy, sixty-six, ninety-six, …. A more correct sequence might be ten, nine, sixty, googol, seventy, sixty-six, ninety-six, googolplex. And also note, incidentally, that the correct spelling of the mathematical term "google" differs from the name of the company that made up this aptitude test.
A) 96
B) 1000000000000000000000000000000000\
0000000000000000000000000000000000\
000000000000000000000000000000000
C) Either of the above
D) None of the above
This can be looked up and found to be sequence A052196 in the On-Line Encyclopedia of Integer Sequences, which gives the largest positive integer whose English name has n letters. For example, the first few terms are ten, nine, sixty, ninety, seventy, sixty-six, ninety-six, …. A more correct sequence might be ten, nine, sixty, googol, seventy, sixty-six, ninety-six, googolplex. And also note, incidentally, that the correct spelling of the mathematical term "google" differs from the name of the company that made up this aptitude test.
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lishuai_girl 写道
sorry, I still can't get what does the anwer mean
TEN, NINE, SIXTY, NINETY, SEVENTY, SIXTY SIX, GOOGLEPLEX
3, 4, 5, 6, 7, 8, 9
就是长度为n的英文名称的代表的数字的最大值，比如三个字母的英文名称的数字是ten，其他还有one，two，six。
lishuai_girl
2008-09-24
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sorry, I still can't get what does the anwer mean
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