Mars

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sumanr84: Legendary Member; Posts: 758; Joined: Sat Aug 29, 2009 9:32 pmFollowed by: 2 members; Location: Bangalore,India; Thanked: 67 times

by sumanr84 » Mon May 17, 2010 3:44 am

Unlike Mars, the surface of Earth is primarily water, with landmass making up less than half of the total area.

(A)Mars, the surface of Earth is primarily water
(B)Mars, Earth's surface is primarily water
(C)the surface of Mars, that of Earth is primarily water
(D)Mars, water is primarily Earth's surface
(E)that of Mars, Earth has a surface that is primarily water

Source : MGMAT, OA after discussion.

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Source: Beat The GMAT — Sentence Correction | Mon May 17, 2010 3:44 am

Gmat_War: Senior | Next Rank: 100 Posts; Posts: 41; Joined: Sun Apr 25, 2010 12:19 pm; Thanked: 2 times

by Gmat_War » Mon May 17, 2010 3:51 am

IMO C
The comparision is done with the surface of Earth and that of Mars.
A-illogically compares planet Mars with surface of Earth
B-Same as A
D-Mars is compared with water
E-MAr's surface is compared with Earth

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sumanr84: Legendary Member; Posts: 758; Joined: Sat Aug 29, 2009 9:32 pmFollowed by: 2 members; Location: Bangalore,India; Thanked: 67 times

by sumanr84 » Mon May 17, 2010 7:31 am

OA : C

(A) This choice is incorrect as it repeats the original sentence.

(B) This choice compares "Mars" to "Earth's surface," an illogical comparison.

(C) CORRECT. This choice compares "the surface of Mars" to "that of Earth," a logical comparison.

(D) This choice compares "Mars" to "water," an illogical comparison.

(E) This choice compares "that of Mars" to "Earth." In this context, it is not clear what "that of Mars" refers to, since there is no other possessive construction in the sentence.

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Anaira Mitch: Master | Next Rank: 500 Posts; Posts: 235; Joined: Wed Oct 26, 2016 9:21 pmFollowed by: 5 members; Thanked: 3 times

by Anaira Mitch » Sat Sep 16, 2017 5:17 am

The original sentence begins with the comparison "unlike Mars." What follows must therefore be a
logical comparison to the planet Mars. However, the sentence compares "Mars" to "the surface of
Earth." This is not a logical comparison. We can compare "Mars" to "Earth" or "the surface of Mars" to
"the surface of Earth," but it is not logical to compare one planet to the surface of another planet.

(A) This choice is incorrect as it repeats the original sentence.

(B) This choice compares "Mars" to "Earth's surface," an illogical comparison.

(C) CORRECT. This choice compares "the surface of Mars" to "that of Earth," a logical comparison.

(D) This choice compares "Mars" to "water," an illogical comparison.

(E) This choice compares "that of Mars" to "Earth." In this context, it is not clear what "that of Mars"
refers to, since there is no other possessive construction in the sentence.

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