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aspirant2011: Legendary Member; Posts: 1574; Joined: Fri Jan 28, 2011 2:52 amFollowed by: 13 members; Thanked: 88 times

by aspirant2011 » Fri Jul 08, 2011 11:29 pm

An international team of astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system's largest planet.

(A) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter

(B) astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to be 5 to 15 times Jupiter's mass

(C) astronomers is working at telescopes in the Canary Islands and Spain, having detected at least 18 huge gas spheres that are estimated at 5 to 15 times the mass of Jupiter

(D) astronomers, working at telescopes in the Canary Islands and Spain, and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter

(E) astronomers, working at telescopes in the Canary Islands and Spain, has detected at least 18 huge gas spheres they have estimated to be 5 to 15 times Jupiter's mass

[spoiler]OA: A vs B, which one is better and why????[/spoiler]

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Source: Beat The GMAT — Sentence Correction | Fri Jul 08, 2011 11:29 pm

gsinghal: Senior | Next Rank: 100 Posts; Posts: 68; Joined: Sun Apr 11, 2010 3:22 amFollowed by: 1 member

by gsinghal » Fri Jul 08, 2011 11:53 pm

IMO A

The Mass Of jupiter is better than Jupiter's Mass, also in the non underlined part it says "the solar system's largest planet". So it has be to be Jupiter and not Jupiter's.

So we are now b/w A, C & D

In D COMMA + AND is a run on.. "and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter" is not a clause.

B/W A & C.... C compares gas spheres to the mass of jupiter, While in A it correctly uses have to show the comparison.

Thanks
Gautam

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aspirant2011: Legendary Member; Posts: 1574; Joined: Fri Jan 28, 2011 2:52 amFollowed by: 13 members; Thanked: 88 times

by aspirant2011 » Sat Jul 09, 2011 7:12 am

gsinghal wrote:IMO A

The Mass Of jupiter is better than Jupiter's Mass, also in the non underlined part it says "the solar system's largest planet". So it has be to be Jupiter and not Jupiter's.

So we are now b/w A, C & D

In D COMMA + AND is a run on.. "and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter" is not a clause.

B/W A & C.... C compares gas spheres to the mass of jupiter, While in A it correctly uses have to show the comparison.

Thanks
Gautam

Yup got it,thanks a lot

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