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To develop more accurate population forecasts, demographers

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Manager
Joined: 13 Mar 2006
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To develop more accurate population forecasts, demographers [#permalink]

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04 Jun 2006, 09:03
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To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
A. have to know a great deal more than now about the social and economic
B. have to know a great deal more than they do now about the social and economical
C. would have to know a great deal more than they do now about the social and economical
D. would have to know a great deal more than they do now about the social and economic
E. would have to know a great deal more than now about the social and economical
[/b]
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Senior Manager
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04 Jun 2006, 10:20
economic and not economical should be used here as economical has a different meaning - so this rules out B, C and E.

out of A and D , D is correct as it does the accurate comparison.

Last edited by iced_tea on 04 Jun 2006, 21:00, edited 1 time in total.

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VP
Joined: 14 May 2006
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04 Jun 2006, 13:22
I agree with D...

I had an eye on B, but social and economical is wrong, should be economic... this eliminates everything but A and D

also we need "they do now" -> so the answer is D

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Director
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04 Jun 2006, 22:01
buzzgaurav wrote:
u2lover wrote:
I agree with D...

I had an eye on B, but social and economical is wrong, should be economic... this eliminates everything but A and D

also we need "they do now" -> so the answer is D

AgreeD

A
B
C
E
D

Regards,
Brajesh

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04 Jun 2006, 22:21
Yes D..
we need would have to ...instead of have to ..
we need economic ...instead of economical..
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04 Jun 2006, 22:21
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