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# From May 1, 1960, to May 1, 1975, the closing price of a

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Joined: 16 Jul 2005
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From May 1, 1960, to May 1, 1975, the closing price of a [#permalink]  17 Jan 2006, 17:52
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Difficulty:

5% (low)

Question Stats:

80% (01:47) correct 20% (00:23) wrong based on 83 sessions
From May 1, 1960, to May 1, 1975, the closing price of a share of stock X doubled. What was the closing price of a share of stock X on May 1, 1960?

(1) From May 1, 1975 to May 1, 1984, the closing price of a share of stock X doubled.
(2) From May 1, 1975 to May 1, 1984, the closing price of a share of stock X increased by $4.50 [Reveal] Spoiler: OA Last edited by Bunuel on 30 Jan 2013, 03:57, edited 1 time in total. Edited the question and added OA. VP Joined: 20 Sep 2005 Posts: 1021 Followers: 3 Kudos [?]: 27 [0], given: 0 [#permalink] 17 Jan 2006, 18:00 C. Let closing price in 1960 be x. I..Insuff. All we know is that price in 60,75,84 is x,2x,4x. II. Insuff. All we know is that price in 84 is 2x + 4.50. I + II, gives 4x = 2x + 4.50...SUFF. Director Joined: 04 Oct 2005 Posts: 586 Location: Chicago Followers: 1 Kudos [?]: 5 [0], given: 0 [#permalink] 17 Jan 2006, 22:03 C it is a) Insuuff we only know x, 2x,4x b) we only know that 2x+4.5 combine and we know that 4x=2x+4.5 Senior Manager Joined: 05 Jan 2006 Posts: 382 Followers: 1 Kudos [?]: 43 [0], given: 0 [#permalink] 18 Jan 2006, 00:11 1960 x 1975 2x 1985 Y what is x 1) Y= 2*2x does not answer x 2) Y -2x = 4.5 can not solve for x but with 1 and 2 to gather 4x = 4.5 +2x Both togather are sufficient! CEO Joined: 20 Nov 2005 Posts: 2910 Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008 Followers: 19 Kudos [?]: 147 [0], given: 0 [#permalink] 18 Jan 2006, 01:23 1960 = x 1975 = 2x 1984 = y St1: y = 4x. Can not find out x. So INSUFF St2: y = 2x+4.5. Can not find out x. So INSUFF Combined: two variables and two equations. Solve for x 4x = 2x + 4.5 x = 2.25 _________________ SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008 Director Joined: 29 Nov 2012 Posts: 926 Followers: 12 Kudos [?]: 533 [0], given: 543 Re: From May 1, 1960, to May 1, 1975, the closing price of a [#permalink] 30 Jan 2013, 03:47 so the translation of the second statement is x+x+4.5? _________________ Click +1 Kudos if my post helped... Amazing Free video explanation for all Quant questions from OG 13 and much more http://www.gmatquantum.com/og13th/ GMAT Prep software What if scenarios gmat-prep-software-analysis-and-what-if-scenarios-146146.html Math Expert Joined: 02 Sep 2009 Posts: 29187 Followers: 4737 Kudos [?]: 50075 [0], given: 7527 Re: From May 1, 1960, to May 1, 1975, the closing price of a [#permalink] 30 Jan 2013, 04:02 Expert's post fozzzy wrote: From May 1, 1960, to May 1, 1975, the closing price of a share of stock X doubled. What was the closing price of a share of stock X on May 1, 1960? (1) From May 1, 1975 to May 1, 1984, the closing price of a share of stock X doubled. (2) From May 1, 1975 to May 1, 1984, the closing price of a share of stock X increased by$4.50

so the translation of the second statement is x+x+4.5?

Yes. If we assume that the price in 1960 was $x, then the price in 1975 would be$2x. From (2) the price in 1984 was 2x+4.5.
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Joined: 07 Apr 2012
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Concentration: Entrepreneurship, Operations
Schools: ISB '15
GMAT 1: 590 Q48 V23
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Kudos [?]: 9 [0], given: 45

Re: From May 1, 1960, to May 1, 1975, the closing price of a [#permalink]  12 Sep 2013, 07:23
Is it a 600 question ?
Re: From May 1, 1960, to May 1, 1975, the closing price of a   [#permalink] 12 Sep 2013, 07:23
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