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# Is 80% of 15% = 12

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Manager
Joined: 23 Apr 2007
Posts: 130
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Is 80% of 15% = 12 [#permalink]  26 Jun 2007, 05:11
Is 80% of 15% = 12%
VP
Joined: 08 Jun 2005
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80%*15% = 12%

4/5*3/20 = 12/100

where's the catch ?

Manager
Joined: 23 Apr 2007
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Here is the catch [#permalink]  26 Jun 2007, 07:26
At a certain university, if 50 percent of the people who inquire about admission policies actually submit applications for admission, what percent of those who submit applications for admission enroll in classes at the university?
(1) Fifteen percent of those who submit applications for admission are accepted at the university.
(2) Eighty percent of those who are accepted send a deposit to the university.
Director
Joined: 16 May 2007
Posts: 549
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I would go with C.

1. If univ has accepted an applicant this doesn't necessarily mean that this applicant will enroll - Insuff

2. You dont know how many are accepted - Insuff

Together you can canculate the %age as follows

Let x be total applicants who enquired
then 0.5x submit application
by 1 . 0.15(0.5X) are accepted
by 2 0.8(0.15(0.5x)) enroll ( assuming sending deposit means enrolling)

so if total 05.x people submit application .. 0.8*0.15*0.5X people enroll , therefore the percentage can be calculated
Manager
Joined: 23 Apr 2007
Posts: 130
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Kudos [?]: 7 [0], given: 0

I thought as well! The OA was wrong..
Thanks for the inputs!

trahul4 wrote:
I would go with C.

1. If univ has accepted an applicant this doesn't necessarily mean that this applicant will enroll - Insuff

2. You dont know how many are accepted - Insuff

Together you can canculate the %age as follows

Let x be total applicants who enquired
then 0.5x submit application
by 1 . 0.15(0.5X) are accepted
by 2 0.8(0.15(0.5x)) enroll ( assuming sending deposit means enrolling)

so if total 05.x people submit application .. 0.8*0.15*0.5X people enroll , therefore the percentage can be calculated
Director
Joined: 30 Nov 2006
Posts: 591
Location: Kuwait
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Statements 1 and 2 talk about those who applied and sent a deposit. It mentions nothing about who actually enrolled.

I believe it's E
Manager
Joined: 14 Mar 2007
Posts: 238
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well 0.8 of 0.12 in fact is 9.6% and 0.8 of 15%is 12% ...is this a question or a problem?
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