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When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference

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When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 21 Feb 2016, 10:07
1
4
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

70% (00:54) correct 30% (00:48) wrong based on 149 sessions

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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 21 Feb 2016, 11:38
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1
(1/10)*4000 - (1/20*100)*4000
=400 - 2
= 398

Answer D
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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 22 Feb 2016, 00:55
1/20 % of 4000 = 2
1/10 of 4000 = 400

400-2 = 398
Ans:D
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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 22 Feb 2016, 01:19
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1
In such questions, I believe it is best if we simplify the statements (1/20 % = 1/20 of 1%)

1% of 4000 = 40
1/20 of 40 = 2

so 400 - 2 = 398

D
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When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 22 Feb 2016, 15:59
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Related Resources
The following free video covers the concepts/strategies that are useful for answering this question in our head:
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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 23 Feb 2016, 02:44
Bunuel wrote:
When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference is

A. 50
B. 200
C. 380
D. 398
E. 400

Kudos for correct solution.


Always remember: Whenever you are given a percentage, simply divide the number by 100
1/20% of 4000 = 4000/(20*100) = 2
1/10 of 4000 = 4000/10 = 400

Therefore difference = 400 - 2 = 398
Option D
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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 25 Feb 2016, 08:26
1
The answer is D

\(1/20% of 4000\)
=\((1/20*100)*4000\)=2

\((1/10)of 4000\)=400

400-2 =398

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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference [#permalink]

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New post 04 Aug 2017, 09:37
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Re: When 1/20% of 4,000 is subtracted from 1/10 of 4,000, the difference   [#permalink] 04 Aug 2017, 09:37
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