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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, 03:09
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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, 05:39
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, 16:26
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, 05:06
1
KUDOS
Expert's post
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 1259 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, 07:56
[/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, 09:41
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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27 Jan 2016, 00:20
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: A rectangular room has dimensions of the four walls as " x "   [#permalink] 27 Jan 2016, 00:20
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