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# 10,000 is deposited in a certain account that pays r percent

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Current Student
Joined: 28 Dec 2004
Posts: 3280
Location: New York City
Schools: Wharton'11 HBS'12
10,000 is deposited in a certain account that pays r percent  [#permalink]

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15 Oct 2008, 17:38
00:00

Difficulty:

(N/A)

Question Stats:

100% (00:04) correct 0% (00:00) wrong based on 1 sessions

$10,000 is deposited in a certain account that pays r percent annual interest compounded annually, the amount D(t), in dollars, that the deposit will grow to in t years in given by D(t)=10,000(1+(r/100))t What amount will the deposit grow to in 3 years? (1) D(t) = 11,000 (2) r=10 what on earth does (1) say????? is D(t) a constant??? --== Message from GMAT Club Team ==-- This is not a quality discussion. It has been retired. If you would like to discuss this question please re-post it in the respective forum. Thank you! To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you. Senior Manager Joined: 18 Jun 2007 Posts: 272 Re: DS--Interest [#permalink] ### Show Tags 15 Oct 2008, 19:35 I had same reaction WTH question stem says that D(t) is the amount that will be in (t) years and statement. Question asks what is D(t) and st 1 says D(t) is 11000. Am I again making some stupid mistake? SVP Joined: 29 Aug 2007 Posts: 2420 Re: DS--Interest [#permalink] ### Show Tags 15 Oct 2008, 21:08 fresinha12 wrote:$10,000 is deposited in a certain account that pays r percent annual interest compounded annually, the amount D(t), in dollars, that the deposit will grow to in t years in given by $$D(t) = 10,000 (1+(r/100))^t$$. What amount will the deposit grow to in 3 years?

(1) D(t) = 11,000
(2) r = 10
what on earth does (1) say????? is D(t) a constant???

Do you have this question in its original form?

1: we do not know "t". D(t) = 11,000 could be in 5 years or 10 years or 100 years. so D(3) varies accordingly. so insuff.........
2: if r = 10, $$D(3) = 10,000 (1+(10/100))^3$$. so suff...
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Joined: 17 Jun 2008
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15 Oct 2008, 21:53
It may not make logical sense, but stmt1 says that D(t) is constant irrespective of t.

SVP
Joined: 29 Aug 2007
Posts: 2420

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16 Oct 2008, 07:27
scthakur wrote:
It may not make logical sense, but stmt1 says that D(t) is constant irrespective of t.

why? where does the question say t = 3?
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Current Student
Joined: 28 Dec 2004
Posts: 3280
Location: New York City
Schools: Wharton'11 HBS'12

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16 Oct 2008, 08:11
well the OA is D..

I was debating if D(t) is a constant or not..and I think it is..
SVP
Joined: 29 Aug 2007
Posts: 2420

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16 Oct 2008, 09:22
fresinha12 wrote:
well the OA is D..

I was debating if D(t) is a constant or not..and I think it is..

fresinha12,
what is the source?
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Current Student
Joined: 28 Dec 2004
Posts: 3280
Location: New York City
Schools: Wharton'11 HBS'12

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16 Oct 2008, 10:13
GMAT TIGER wrote:
fresinha12 wrote:
well the OA is D..

I was debating if D(t) is a constant or not..and I think it is..

fresinha12,
what is the source?

dont know..just saw it in a collection of math questions online

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: DS--Interest &nbs [#permalink] 16 Oct 2008, 10:13
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