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M07#21

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Manager
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Joined: 26 Jul 2010
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M07#21 [#permalink] New post 09 May 2011, 21:15
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Question Stats:

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If a 5-year construction project is structured to double the investment every succeeding year, what percentage of the total cost was invested in the first year?

1. 12.5%
2. 10%
3. 8.25%
4. 5%
5. 3%



what is question trying to ask????????
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Director
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Re: M07#21 [#permalink] New post 09 May 2011, 21:24
The investment is doubled very succeeding year for 5 yrs.

1st yr - 10
20
40
80
5th yr - 160

Total investment = 10 + 20 + 40 + 80 + 160 = 310

%age investment in first yr = 10/310 *100 = 100/31 = 3% approx
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Re: M07#21 [#permalink] New post 09 May 2011, 21:30
gmat1220 wrote:
The investment is doubled very succeeding year for 5 yrs.

1st yr - 10
20
40
80
5th yr - 160

Total investment = 10 + 20 + 40 + 80 + 160 = 310

%age investment in first yr = 10/310 *100 = 100/31 = 3% approx


i know the solution, but i am trying to ask is....

ok i got it , i had assumed investment as return.whereas question says investment into project
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Re: M07#21 [#permalink] New post 28 Jun 2011, 23:07
I think you should post the source (GMAT Club Challenge) of this problem so it can be tagged to the master forum...
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Re: M07#21 [#permalink] New post 03 Jul 2011, 08:10
the question is trying to ask you the %age ratio of investment in first year to total investment in five years....ANS is E..3%
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Kaustubh

Re: M07#21   [#permalink] 03 Jul 2011, 08:10
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