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

Author Message
Joined: 31 Dec 1969
Location: Russian Federation
GMAT 3: 740 Q40 V50
GMAT 4: 700 Q48 V38
GMAT 5: 710 Q45 V41
GMAT 6: 680 Q47 V36
GMAT 9: 740 Q49 V42
GMAT 11: 500 Q47 V33
GMAT 14: 760 Q49 V44
WE: Supply Chain Management (Energy and Utilities)
If S represents the sum of numbers 1/n, where 101<= n [#permalink]

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08 Nov 2004, 16:31
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
Posts: 607

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08 Nov 2004, 16:42
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
Intern
Joined: 09 Aug 2004
Posts: 11

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08 Nov 2004, 17:00
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?
Senior Manager
Joined: 19 May 2004
Posts: 291

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09 Nov 2004, 12:15
I would choose the answer which is closest to my estimation.

I think the sum would be close to 0.4...
CEO
Joined: 17 Jul 2004
Posts: 3281

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09 Nov 2004, 12:53
Depending on the dispersion of the answer choices a reasonable estimate is roughly 1/125 * 50 = 50/125 = 2/5

Hjort
09 Nov 2004, 12:53
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