A rectangular room has dimensions of the four walls as " x " : GMAT Data Sufficiency (DS)
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# A rectangular room has dimensions of the four walls as " x "

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A rectangular room has dimensions of the four walls as " x " [#permalink]

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19 Aug 2013, 02:09
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A rectangular room has dimensions of the four walls as " x " meters in height and "y" meters in length . What will be the number of square tiles that can cover the entire floor if each square tile is of 2 sq. meters in area.

1) X=10 meters

2) Y= 8 meters
[Reveal] Spoiler: OA
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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19 Aug 2013, 04:39
innocous wrote:
A rectangular room has dimensions of the four walls as " x " meters in height and "y" meters in length . What will be the number of square tiles that can cover the entire floor if each square tile is of 2 sq. meters in area.

1) X=10 meters

2) Y= 8 meters

given,

length = width = Y

question is asking sqaure tiles required to cover entire floor which is Y^2.

So B is sufficient
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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21 Aug 2013, 15:26
innocous wrote:
A rectangular room has dimensions of the four walls as " x " meters in height and "y" meters in length . What will be the number of square tiles that can cover the entire floor if each square tile is of 2 sq. meters in area.

1) X=10 meters

2) Y= 8 meters

given,

length = width = Y

question is asking sqaure tiles required to cover entire floor which is Y^2.

So B is sufficient

How we are interpreting that length = width ??

thanks
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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22 Aug 2013, 04:06
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blueseas wrote:
innocous wrote:
A rectangular room has dimensions of the four walls as " x " meters in height and "y" meters in length . What will be the number of square tiles that can cover the entire floor if each square tile is of 2 sq. meters in area.

1) X=10 meters

2) Y= 8 meters

given,

length = width = Y

question is asking sqaure tiles required to cover entire floor which is Y^2.

So B is sufficient

How we are interpreting that length = width ??

thanks

Notice that we are told that each of the four walls is x meters in height and y meters in length. so the base is a square with the side of y:
Attachment:

Rectangular.jpg [ 25.4 KiB | Viewed 1449 times ]
Hope it's clear.
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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11 May 2014, 06:56
[/quote]

Notice that we are told that each of the four walls is x meters in height and y meters in length. so the base is a square with the side of y:
Attachment:
Rectangular.jpg
Hope it's clear.[/quote]

B,

How do you imply from the problem that length = width?

Thanks
Cheers
J
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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11 May 2014, 08:41
I can't even say how much I hate these trick questions ... what's next? "What is heavier - 1 kilo of stone or 1000 gram of feathers"?

Of course I did it wrong ... :D
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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26 Jan 2016, 23:20
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Re: A rectangular room has dimensions of the four walls as " x " [#permalink]

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13 Oct 2016, 15:03
holdem wrote:
I can't even say how much I hate these trick questions ... what's next? "What is heavier - 1 kilo of stone or 1000 gram of feathers"?

Of course I did it wrong ... :D

I completely agree with you my friend lol....I knew it too as it seemed too easy to just be "C"....now I see the error in my ways...all we needed was the floor dimensions...Tricky GMAT
Re: A rectangular room has dimensions of the four walls as " x "   [#permalink] 13 Oct 2016, 15:03
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# A rectangular room has dimensions of the four walls as " x "

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