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ds-ratio

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ds-ratio [#permalink]

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New post 18 Oct 2008, 21:01
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In a certain business,production index p is directly proportional to efficiency index e,which is inturn directly proportional to investment index i,whats p if i = 70?

1)e=0.5 whenever i=60
2)p=2.0 whenever i=50

just found this question good !!
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Re: ds-ratio [#permalink]

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New post 18 Oct 2008, 21:04
spriya wrote:
In a certain business,production index p is directly proportional to efficiency index e,which is inturn directly proportional to investment index i,whats p if i = 70?

1)e=0.5 whenever i=60
2)e=2.0 whenever i=50

just found this question good !!


Answer is E ?? None of the statements mention the relation between p and e/i.
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Re: ds-ratio [#permalink]

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New post 18 Oct 2008, 21:22
amitdgr wrote:
spriya wrote:
In a certain business,production index p is directly proportional to efficiency index e,which is inturn directly proportional to investment index i,whats p if i = 70?

1)e=0.5 whenever i=60
2)e=2.0 whenever i=50

just found this question good !!


Answer is E ?? None of the statements mention the relation between p and e/i.

All i can say is think again !!!E is not the answer !!!
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Re: ds-ratio [#permalink]

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New post 18 Oct 2008, 21:44
P = K EI

1: p =k0.5*60 => p = 30k

2:p=k2*50 => p =100k

2 eq, 2 var. C should be answer
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Re: ds-ratio [#permalink]

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New post 19 Oct 2008, 00:53
vishalgc wrote:
P = K EI

1: p =k0.5*60 => p = 30k

2:p=k2*50 => p =100k

2 eq, 2 var. C should be answer


Now i get How tricky OG questions can be !!!
C is not the answer !!!this question went wrong for me ,when i cpompleted the question i was confident but then got to know whats the mistake !!!such quetions are expected in GMAT

try again !!!pls post the explanations
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Re: ds-ratio [#permalink]

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New post 19 Oct 2008, 01:33
Priya, are you sure you copied the question properly ? I am sure the answer is E
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Re: ds-ratio [#permalink]

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New post 19 Oct 2008, 04:04
amitdgr wrote:
Priya, are you sure you copied the question properly ? I am sure the answer is E


Oh yes there is a type in the 2nd condition its p not e
1)e=0.5 whenever i=60
2)p=2.0 whenever i=50

OA is B yes this suffices !!!Thanks for pointing out

Sorry for the typo
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Re: ds-ratio [#permalink]

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New post 19 Oct 2008, 10:51
spriya wrote:
amitdgr wrote:
Priya, are you sure you copied the question properly ? I am sure the answer is E


Oh yes there is a type in the 2nd condition its p not e
1)e=0.5 whenever i=60
2)p=2.0 whenever i=50

OA is B yes this suffices !!!Thanks for pointing out

Sorry for the typo


Could you please edit the question in the first post?

It would really save time for the rest of the people...

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Re: ds-ratio   [#permalink] 19 Oct 2008, 10:51
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