How to approach this SC

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phanikpk: Senior | Next Rank: 100 Posts; Posts: 66; Joined: Fri Jun 06, 2014 11:48 pmFollowed by: 1 member

by phanikpk » Wed Jul 09, 2014 12:41 am

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Source: Beat The GMAT — Sentence Correction | Wed Jul 09, 2014 12:41 am

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by [email protected] » Wed Jul 09, 2014 8:06 am

Hi phanikpk,

This SC is based on a couple of standard grammar rules:

1) Parallelism - The sentence tells us 2 things that the new jet engine might be able to do. We have to make sure that the two things are written in "parallel format", meaning that the phrases include the same "types" of words and are written in the same "order." The verbs are easy to focus on, so let's consider the options. Both verb phrases need to either both be infinitive verbs OR both be "-ing" verbs (so either "propel....and help...." or "propelling....and helping...." would be correct). Eliminate B, C and D.

2) Style/Redundancy - Between answers A and E, answer E includes a number of unnecessary/redundant words ("and it....have the capability"). Eliminate E.

Final Answer: A

GMAT assassins aren't born, they're made,
Rich

Contact Rich at [email protected]

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