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What is the area of rectangular floor X?

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Joined: 01 Sep 2010
Posts: 3304
What is the area of rectangular floor X?  [#permalink]

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New post 31 Oct 2018, 09:38
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

100% (00:49) correct 0% (00:00) wrong based on 23 sessions

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Joined: 09 Jun 2018
Posts: 148
Location: United States
GPA: 3.95
WE: Manufacturing and Production (Energy and Utilities)
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Re: What is the area of rectangular floor X?  [#permalink]

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New post 31 Oct 2018, 09:45
1
Stmt 1: L = 2+ W
LW can't be found. So insufficient,

Stmt 2: 2(L+W) = 16
LW can't be found. So insufficient,

Both together Sufficient to find L and W.

Option C according to me. But OA is A, what am I missing? :?
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Re: What is the area of rectangular floor X?  [#permalink]

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New post 31 Oct 2018, 09:47
1
Question: Area of Rectangular floor
L * B =?

Statement 1:
L=B+2
We cannot find area Not sufficient

Statement 2:
Perimeter of X is 16
So Given 2( L+B) =16
L+B=8
If L=1, B=7 area =7
If L=2 B = 6 area =12
Not sufficient

Combine:

L+B=8 and L=B+2
We get a definite answer for area..
Hence sufficient
C
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Re: What is the area of rectangular floor X? &nbs [#permalink] 31 Oct 2018, 09:47
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