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A sequence is defined as follows: a(n)= (n)/(n+1) If n is a [#permalink]
12 Oct 2008, 05:01

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Difficulty:

35% (medium)

Question Stats:

78% (02:18) correct
22% (02:20) wrong based on 36 sessions

A sequence is defined as follows: A_n= \frac{n}{n+1} If n is a positive integer, then how many of the first 100 terms of this sequence are less than 0.891?

Re: Zero :good one [#permalink]
12 Oct 2008, 06:07

On the GMAT, the first term of a sequence is always a_1 (or b_1, or f(1), etc). Still, they always tell you that in the question itself, so I'm guessing the question above is not a real GMAT question. _________________

Nov 2011: After years of development, I am now making my advanced Quant books and high-level problem sets available for sale. Contact me at ianstewartgmat at gmail.com for details.

Re: Zero :good one [#permalink]
12 Oct 2008, 06:28

This quastion is from very standard source

Actually it happens many timesthat we forget to consider case 0 .. this time i specially paid attention and i got wrong ..so i was little annoyed and disappoint.. but from now i will consider series to be start from1 if not specified.