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AB to BC

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AB to BC

by sanju09 » Fri Jul 30, 2010 3:58 am
What is the ratio of AB to BC in the rectangular figure below?

1. The perimeter of ABCD is 32.
2. All the small rectangles have the same dimensions.

[spoiler]Source: majortests.com[/spoiler]
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Source: — Data Sufficiency |
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by selango » Fri Jul 30, 2010 4:11 am
AB/BC=?

stmt1,

2(AB+BC)=32

AB+BC=16

No info about values of length and breadth.

Insuff.

stmt2,

All rectangles have same dimensions.

Let the length and breadth be l and b.

AB=3b

DC=l

AB=DC

3b=l

BC=l+2b

BC=5b

AB/BC=3b/5b=3/5

Suff

Pick B

Please correct me if I am wrong.
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by arora007 » Sun Aug 01, 2010 11:19 pm
B.
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by selango » Sun Aug 01, 2010 11:27 pm
This seems like one of the GMATPREP question.
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