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An assembly machine was valued (4/5)th of the original price at the st

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An assembly machine was valued (4/5)th of the original price at the st  [#permalink]

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24 Sep 2018, 05:32
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Difficulty:

15% (low)

Question Stats:

78% (01:25) correct 22% (02:34) wrong based on 31 sessions

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An assembly machine was valued (4/5)th of the original price at the start of the year, and in the end of the year, it was value (3/4)th of the original price. By what percent did the value of the machine decrease during the year?

(A) 5%
(B) 6.25%
(C) 7.50%
(D) 10%
(E) 12%

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Re: An assembly machine was valued (4/5)th of the original price at the st  [#permalink]

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24 Sep 2018, 08:48
Bunuel wrote:
An assembly machine was valued (4/5)th of the original price at the start of the year, and in the end of the year, it was value (3/4)th of the original price. By what percent did the value of the machine decrease during the year?

(A) 5%
(B) 6.25%
(C) 7.50%
(D) 10%
(E) 12%

Let the original price = 100, start of the year = 80 & end of the year = 75 ; Hence Price decrease = 5
80 , percent decrease in the value of machine price = $$\frac{price decrease}{price start of the year} *100$$= $$\frac{5}{80} *100$$= $$6.25$$..................Answer B
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Re: An assembly machine was valued (4/5)th of the original price at the st   [#permalink] 24 Sep 2018, 08:48
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