Solutions

Get detailed explanations to advanced GMAT questions.



Question

After more than four decades of research and development, a new type of jet engine is being tested that could eventually propel aircraft anywhere in the world within two hours or help boost cargoes into space at significantly lower costs than current methods permit


 

Option A:

tested that could eventually propel aircraft anywhere in the world within two hours or help

Option B:

tested that could eventually have the capability of propelling aircraft anywhere in the world within two hours or to help

Option C:

tested, eventually able to propel aircraft anywhere in the world within two hours, or helping

Option D:

tested, and it eventually could propel aircraft anywhere in the world within two hours or helping

Option E:

tested, and it could eventually have the capability to propel aircraft anywhere in the world within two hours or help

Difficulty Level

Medium

Solution

Option A is the correct answer.


Option Analysis

Concept tested: Parallelism, Redundancy

A) Correct Answer

B) Not parallel; propelling vs. to help

C) Not parallel; to propel vs. helping

D) Not parallel; propel vs. helping

E) Could and capability are redundant.


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