Gmat prep problem.

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winniethepooh: Master | Next Rank: 500 Posts; Posts: 370; Joined: Sat Jun 11, 2011 8:50 pmFollowed by: 2 members; Location: Arlington, MA.; Thanked: 27 times

by winniethepooh » Thu Mar 08, 2012 2:56 pm

Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.

B. Between 1990 and 2000 the global economy grew more than that during 10,000 years, from when agriculture began

C. The growth of the global economy between 1990 and 2000 exceeds that which has been for 10,000 years from the beginning of agriculture

D. The growth of the global economy between 1990 and 2000 exceeds what it has been for 10,000 years, from when agriculture began

E. The growth of the global economy between 1990 and 2000 exceeded what it did for 10,000 years from the beginning of agriculture

Can I get a concrete reason as to why is A (the OA)[spoiler][/spoiler] preferred to B?
Also, please let me know a good reason why B is incorrect?(can't find any)

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Source: Beat The GMAT — Sentence Correction | Thu Mar 08, 2012 2:56 pm

killer1387: Legendary Member; Posts: 581; Joined: Sun Apr 03, 2011 7:53 amFollowed by: 5 members; Thanked: 52 times

by killer1387 » Thu Mar 08, 2012 6:15 pm

A is the best as the comparison is correctly done. In B growth is wrongly compared to economy. it should be growth to growth comparison as in A.

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avik.ch: Legendary Member; Posts: 641; Joined: Wed Apr 20, 2011 1:15 amFollowed by: 32 members; Thanked: 149 times; GMAT Score:760

by avik.ch » Thu Mar 08, 2012 8:55 pm

winniethepooh wrote:Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.

B. Between 1990 and 2000 the global economy grew more than that during 10,000 years, from when agriculture began

Can I get a concrete reason as to why is A (the OA)[spoiler][/spoiler] preferred to B?
Also, please let me know a good reason why B is incorrect?(can't find any)

The major error between A and B is the use of "that" and "it".

That - demonstrative pronoun. It refers to the noun, but not the exact copy of it.
It - third person personal pronoun. It refer to the noun, the exact copy of the noun.

Here, "it" is perfect as in the original sentence.

Hope this helps !!

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gauraku: Junior | Next Rank: 30 Posts; Posts: 21; Joined: Fri Mar 09, 2012 12:44 pm

by gauraku » Fri Mar 09, 2012 12:47 pm

Here is one more reason:

A uses: from the beginning of agriculture to 1950

from x to y and in this case both x and y are noun which is not the case with option B.

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patanjali.purpose: Legendary Member; Posts: 784; Joined: Sun Apr 03, 2011 3:51 amFollowed by: 12 members; Thanked: 114 times

by patanjali.purpose » Fri Mar 09, 2012 1:28 pm

winniethepooh wrote:Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.

B. Between 1990 and 2000 the global economy grew more than that during 10,000 years, from when agriculture began

Is DID in A correct? IMO DID without GROW somewhere else in the sentence does not make sense.

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avik.ch: Legendary Member; Posts: 641; Joined: Wed Apr 20, 2011 1:15 amFollowed by: 32 members; Thanked: 149 times; GMAT Score:760

by avik.ch » Sat Mar 10, 2012 9:23 am

patanjali.purpose wrote:
winniethepooh wrote:Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.

B. Between 1990 and 2000 the global economy grew more than that during 10,000 years, from when agriculture began
Is DID in A correct? IMO DID without GROW somewhere else in the sentence does not make sense.

I couldn't get you, can you please elaborate.

I can't find any error in A.

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GmatKiss: Legendary Member; Posts: 2789; Joined: Tue Jul 26, 2011 12:19 amFollowed by: 43 members; Location: Chennai, India; Thanked: 206 times; GMAT Score:640

by GmatKiss » Sun Mar 11, 2012 10:50 am

Between 1990 and 2000 the global economy grew more than it did during the 10,000 years from the beginning of agriculture to 1950.

B. Between 1990 and 2000 the global economy grew more than that during 10,000 years, from when agriculture began

C. The growth of the global economy between 1990 and 2000 exceeds that which has been for 10,000 years from the beginning of agriculture

D. The growth of the global economy between 1990 and 2000 exceeds what it has been for 10,000 years, from when agriculture began

E. The growth of the global economy between 1990 and 2000 exceeded what it did for 10,000 years from the beginning of agriculture

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