We invite you to test your GMAT knowledge for a chance to win! Each week, we will post a new Challenge Problem for you to attempt. If you submit the correct answer, you will be entered into that week’s drawing for a free Manhattan GMAT Prep item. Tell your friends to get out their scrap paper and start solving!<\/p>\n
Here is this week’s problem:<\/p>\n
For positive integers\u00a0n<\/em>, the integer part of the\u00a0n<\/em>th term of sequence\u00a0A<\/em>\u00a0equals\u00a0n<\/em>, while the infinite decimal part of the\u00a0n<\/em>th term is constructed in order out of the consecutive positive multiples of\u00a0n<\/em>, beginning with 2n<\/em>. For instance,\u00a0A<\/em>1<\/sub>\u00a0= 1.2345678…, while\u00a0A<\/em>2<\/sub>\u00a0= 2.4681012… The sum of the first seven terms of sequence\u00a0A<\/em>\u00a0is between<\/p><\/blockquote>\n
<\/p>\n
To see the answer choices, and to submit your answer, visit our Challenge Problem Showdown<\/a> page on our site.<\/p>\n
Discuss this week’s problem with like-minded GMAT takers on our Facebook page<\/a>.<\/p>\n
The weekly winner, drawn from among all the correct submissions, will receive One Year of Access to our Challenge Problem Archive<\/a>, AND the GMAT Navigator<\/a>, AND Our Six Computer Adaptive Tests<\/a> ($92 value).<\/p>\n","protected":false},"excerpt":{"rendered":"
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