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Total cost of an item is formed out of three costs: Material cost, Lab

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Total cost of an item is formed out of three costs: Material cost, Lab  [#permalink]

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New post 25 Sep 2018, 05:14
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59% (02:20) correct 41% (03:02) wrong based on 39 sessions

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Total cost of an item is formed out of three costs: Material cost, Labour cost, Factory overhead cost, and Office overhead cost. If Material cost and Labour cost constitute 3/7 part of the total cost, Labour cost and Factory overhead cost constitute 1/2 part of the total cost, Factory overhead cost and Office overhead cost constitute 4/7 part of the total cost, and Material cost and Office overhead cost constitute 1/2 part of the total cost, which of the four cost is the highest among all?

(A) Material cost
(B) Labour cost
(C) Factory overhead cost
(D) Office overhead cost
(E) Factory overhead cost or Office overhead cost

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Re: Total cost of an item is formed out of three costs: Material cost, Lab  [#permalink]

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New post 29 Sep 2018, 18:58
Bunuel wrote:
Total cost of an item is formed out of three costs: Material cost, Labour cost, Factory overhead cost, and Office overhead cost. If Material cost and Labour cost constitute 3/7 part of the total cost, Labour cost and Factory overhead cost constitute 1/2 part of the total cost, Factory overhead cost and Office overhead cost constitute 4/7 part of the total cost, and Material cost and Office overhead cost constitute 1/2 part of the total cost, which of the four cost is the highest among all?

(A) Material cost
(B) Labour cost
(C) Factory overhead cost
(D) Office overhead cost
(E) Factory overhead cost or Office overhead cost


Material cost, Labour cost, Factory overhead cost, and Office overhead cost.
If Material cost and Labour cost constitute 3/7 part of the total cost, so M+L=3/7 *T Labour cost and Factory overhead cost constitute 1/2 part of the total cost, so L+F=1/2*T....
Since 1/2*T>3/7*T... L+F>M+L..... F>M

Material cost and labour cost constitute 3/7 part of the total cost, so M+L=3T/7
and Material cost and Office overhead cost constitute 1/2 part of the total cost, so M+O=T/2
Since 1/2*T>3/7*T... M+0>M+L..... O>L

So any of the two - F or O

E
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Re: Total cost of an item is formed out of three costs: Material cost, Lab   [#permalink] 29 Sep 2018, 18:58
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Total cost of an item is formed out of three costs: Material cost, Lab

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