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# 5*10^3 is what percent of 1/5*10^2 ?

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Math Expert
Joined: 02 Sep 2009
Posts: 58402
5*10^3 is what percent of 1/5*10^2 ?  [#permalink]

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18 Feb 2019, 01:45
00:00

Difficulty:

25% (medium)

Question Stats:

73% (00:56) correct 27% (00:57) wrong based on 36 sessions

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$$5*10^3$$ is what percent of $$\frac{1}{5}*10^2$$ ?

A. 2,500%
B. 4,900%
C. 20,000%
D. 24,900%
E. 25,000%

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VP
Joined: 31 Oct 2013
Posts: 1464
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: 5*10^3 is what percent of 1/5*10^2 ?  [#permalink]

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18 Feb 2019, 01:55
Bunuel wrote:
$$5*10^3$$ is what percent of $$\frac{1}{5}*10^2$$ ?

A. 2,500%
B. 4,900%
C. 20,000%
D. 24,900%
E. 25,000%

$$5 * 10^3$$

$$5 * 5^3 2^3$$

again ,

1/5 * 10^2

1/5 * 100

20.

required % :

$$(5 * 5^3 2^3 / 20) * 100$$

($$5^2 5^2 2^2 2 / 20) * 100$$

$$(100 * 5^2 * 2 /20) * 100$$

$$5 * 5^2 * 2 * 100$$

$$5^3 *2 *100$$

250 * 100

25000%.

GMAT Club Legend
Joined: 18 Aug 2017
Posts: 5014
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: 5*10^3 is what percent of 1/5*10^2 ?  [#permalink]

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18 Feb 2019, 02:00
Bunuel wrote:
$$5*10^3$$ is what percent of $$\frac{1}{5}*10^2$$ ?

A. 2,500%
B. 4,900%
C. 20,000%
D. 24,900%
E. 25,000%

5*10^3 = x/100 * 1/5 * 10^2

solve for x
x= 25,000%

IMO E
Re: 5*10^3 is what percent of 1/5*10^2 ?   [#permalink] 18 Feb 2019, 02:00
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