If S represents the sum of numbers 1/n, where 101<= n : Quant Question Archive [LOCKED]
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# If S represents the sum of numbers 1/n, where 101<= n

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If S represents the sum of numbers 1/n, where 101<= n [#permalink]

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08 Nov 2004, 15:31
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If S represents the sum of numbers 1/n, where 101<= n <=150 what is the
value of S? Sorry , don't remember the choices on this one.

Director
Joined: 31 Aug 2004
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08 Nov 2004, 15:42
That's weird without any formated answers to pick in.

S(n) = ln(n)+0,577, hope it helps :-p

Sorry but I can not write anything more without details
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08 Nov 2004, 16:00
Could you please elaborate on this equation? S(n) = ln(n)+0,577 . I mean how did you arrive at this equation?
I got this as the third question on a test and I had no clue even on how to approach this question. I tried to apply the formula to find the sum of n terms in an arithmetic progression , but then the question is asking for the sum of 1/n terms where 101 <= n <= 150 and these terms do not form an arithmetic progression. yea?
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09 Nov 2004, 11:15
I would choose the answer which is closest to my estimation.

I think the sum would be close to 0.4...
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09 Nov 2004, 11:53
Depending on the dispersion of the answer choices a reasonable estimate is roughly 1/125 * 50 = 50/125 = 2/5

Hjort
09 Nov 2004, 11:53
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