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2001, the closing price of stock A and stock B are the same.

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Manager
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Joined: 29 Jul 2009
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2001, the closing price of stock A and stock B are the same. [#permalink]

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New post 15 Dec 2009, 06:00
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2001, the closing price of stock A and stock B are the same. 2002, the closing price of two stocks both
increased and price of A increased more than price of B. By what percent was the price increase of stock A
greater than the price increase of stock B?
(1) 2002, the closing price of stock A is 8% greater than the closing price of stock B.
(2) The closing price of stock A is increased by 15% from 2001 to 2002.

Please help me solve this algebraically!!
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Kudos [?]: 1968 [0], given: 84

Re: Percent of Increase!!! [#permalink]

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New post 15 Dec 2009, 06:13
Expert's post
C...
sI gives us the % diff in two stocks but to know the ans asked we also req to know the value of any of the increases...
sII gives us % incr on one stock but not related incr in two stocks..
when combined... n taking the initial value of two as 'x',any variable..we can get the ans
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Kudos [?]: 179 [1] , given: 13

Re: Percent of Increase!!! [#permalink]

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New post 15 Dec 2009, 06:17
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imo c

on exam day solving this is waste of time

let closing stock of 2001 for bth A and B as x1 and of 2002 for A x2 and for B x3

q is asking for the value of [[(x2-x1)-(x3-x1)]/(x3-x1)]*100

s1) x2=108*x3/100 insuff.
s2) x2=115*x1/100 insuff.

combining suff. we can get the value using bth the eqn
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Re: Percent of Increase!!!   [#permalink] 15 Dec 2009, 06:17
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2001, the closing price of stock A and stock B are the same.

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