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PS: GMATPrep - Candy

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Director
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PS: GMATPrep - Candy [#permalink]

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New post 13 Apr 2009, 07:17
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R bought two kinds of candy bars, C and T, that came in packages of 2 bars each. He handed out 2/3 of C bars and 3/5 of the T bars. How many packages of C bars did R buy?
1). R bought 1 fewer package of C bars than T bars
2). R handed out the same number of each kind of candy bars
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Kudos [?]: 621 [0], given: 6

Director
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Re: PS: GMATPrep - Candy [#permalink]

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New post 13 Apr 2009, 08:09
C.
I like this question.

Smt1: x+1=y
Not suff

Stmt2: 2/3(2x)=3/5(2y) or 10x=9y
x=9, y=10; or x=18, y=20. Not suff.

Neither of the statements are suff by themselves.
However, from stmt 1 we know that y-x=1. So, it works only when x=9, y=10. For other values of x and y, the difference is bigger than 1.

Kudos [?]: 472 [0], given: 7

Director
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Re: PS: GMATPrep - Candy [#permalink]

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New post 13 Apr 2009, 09:32
I got something different...
1. c = t-1
2/3C and 3/5T bars handed out
so number of packages for C could be 3,6,9,12,15...
and number of packages for D could be 5,10,15,20,25...
stmt 1 says c = t-1 so c=9 and d=10 suffice
2. 2/3C=3/5T so 10c=9t.
is suffice because c=9 and t=10 can satisfy this condition

so answer should be D!!
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If You're Not Living On The Edge, You're Taking Up Too Much Space

Kudos [?]: 621 [0], given: 6

Director
Director
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Joined: 29 Aug 2005
Posts: 855

Kudos [?]: 472 [0], given: 7

Re: PS: GMATPrep - Candy [#permalink]

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New post 14 Apr 2009, 04:45
priyankur_saha@ml.com wrote:
I got something different...
1. c = t-1
2/3C and 3/5T bars handed out
so number of packages for C could be 3,6,9,12,15...
and number of packages for D could be 5,10,15,20,25...
stmt 1 says c = t-1 so c=9 and d=10 suffice
2. 2/3C=3/5T so 10c=9t.
is suffice because c=9 and t=10 can satisfy this condition

so answer should be D!!

Neither is sufficient by itself.
Stmt 1: c=9, d=10 or c=24, d=25 Insuff.
Stmt 2: 10c=9t can be satisfied by c=9, t=10 or c=18, t=20, etc.
So, D can't be right.

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Re: PS: GMATPrep - Candy [#permalink]

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New post 14 Apr 2009, 11:18
botirvoy wrote:
priyankur_saha@ml.com wrote:
I got something different...
1. c = t-1
2/3C and 3/5T bars handed out
so number of packages for C could be 3,6,9,12,15...
and number of packages for D could be 5,10,15,20,25...
stmt 1 says c = t-1 so c=9 and d=10 suffice
2. 2/3C=3/5T so 10c=9t.
is suffice because c=9 and t=10 can satisfy this condition

so answer should be D!!

Neither is sufficient by itself.
Stmt 1: c=9, d=10 or c=24, d=25 Insuff.
Stmt 2: 10c=9t can be satisfied by c=9, t=10 or c=18, t=20, etc.
So, D can't be right.

:roll: you are right

Kudos [?]: 144 [0], given: 1

Re: PS: GMATPrep - Candy   [#permalink] 14 Apr 2009, 11:18
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