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GMAT Prep?? (Wooden rod)

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Master | Next Rank: 500 Posts
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by dferm » Sun May 04, 2008 11:28 am
A wooden rod is cut into two pieces. What is the length of the longer piece?

(1) One of the pieces is 20 inches longer than the other piece.
(2) The length of the shorter piece is 1/3 the length of the longer piece.

This question is easy but would like to see the equation setup...

Did get the question correct....

Thanks.
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Source: — Data Sufficiency |
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by amitansu » Mon May 05, 2008 2:31 am
Ans E.
Total length of the rod is not given.
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by ksh » Mon May 05, 2008 4:13 am
SAY, length of two pieces are x and y inches.

1. Insufficient, it only tells y=x+20. so, the ans may be B,C or E

2. Insufficient, it tells x=1/3y.

now, combining both i get y=y/3+20 => 2y=60; y=30 inch, x=10 inch

IMO C
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by amitansu » Mon May 05, 2008 4:20 am
yes i forgot to see that relationship between two length..
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