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24 Sep 2021, 03:00
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
67% (01:12) correct
33%
(01:39)
wrong
based on 83
sessions
History
Date
Time
Result
Not Attempted Yet
Reading reports and comparing statistical analyses, authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not.
A. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not
B. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide if a flight should be approved
C. information about the weather along a flight route is gathered by authorities, but in some cases they find it particularly difficult to decide whether to approve a flight
D. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight
E. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether or not to approve a flight
A. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not
B. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide if a flight should be approved
C. information about the weather along a flight route is gathered by authorities, but in some cases they find it particularly difficult to decide whether to approve a flight
D. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight
E. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether or not to approve a flight
26 Sep 2021, 03:00
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OFFICIAL EXPLANATION
Reading reports and comparing statistical analyses, authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not.
A. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not
In the GMAT, the addition of the phrase or not at any point after the word whether is considered redundant and, therefore, a stylistic error. Look for a more concise answer choice.
B. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide if a flight should be approved
Although this answer choice corrects the redundancy in the original sentence by removing the phrase or not, in the GMAT, the word if should be used in Conditionals only. Since in this question there is no condition, if should be replaced by whether.
Whether is used as a choice between two possibilities dealing with the same subject or as a yes/no question.
- Example: I do not know whether this will work. (yes or no)
He was not sure whether he wanted banana or chocolate cake. (a choice between 2 possibilities)
C. information about the weather along a flight route is gathered by authorities, but in some cases they find it particularly difficult to decide whether to approve a flight
Although this answer choice corrects the redundancy in the original sentence by removing the phrase or not, it creates a Dangling Modifier. The original sentence begins with a modifier: Reading reports and comparing statistical analyses. A modifier should be placed right next to the noun it describes. However, what immediately follows the modifier is information and information cannot read. There is no word in the sentence that this **modifier** can logically modify so it is a dangling modifier
What helps us identify this question as a Dangling or Misplaced Modifier question as well as identify the mistake is the following Stop Sign:
A modifier
- Verb+ing or V3, or non participial phrase at the beginning of the sentence, and separated by a comma). The modifier should modify the noun following the comma.
- Verb+ing or V3, or non participial phrase appearing in the middle to end of a sentence and preceded by a comma; the modifier should refer back to the nearest subject or clause or show the result of the previous clause.
- Verb+ing or V3, or non participial phrase appearing in the middle to end of a sentence and NOT preceded by a comma; the modifier should modify the preceding noun or noun phrase.
Whenever you see this Stop Sign, focus on the modifier: check whether the modifier has something to modify and, if so, that it modifies what it is supposed to.
D. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight
In the GMAT, the addition of the phrase or not at any point after the word whether is considered redundant and, therefore, a stylistic error.
E. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether or not to approve a flight
This answer choice repeats the original Stylistic error. In the GMAT, the addition of the phrase or not at any point after the word whether is considered redundant. Look for a more concise answer choice.
General Discussion
24 Sep 2021, 03:25
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Reading reports and comparing statistical analyses, authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not.
A. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not
Whether or not is redundant. So Wrong.
B. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide if a flight should be approved
Use of if is inappropriate. Wrong
C. information about the weather along a flight route is gathered by authorities, but in some cases they find it particularly difficult to decide whether to approve a flight
Modifier is used to modify authorities. Wrong
D. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight
Correct
E. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether or not to approve a flight
Whether or not is redundant. So Wrong.
A. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight or not
Whether or not is redundant. So Wrong.
B. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide if a flight should be approved
Use of if is inappropriate. Wrong
C. information about the weather along a flight route is gathered by authorities, but in some cases they find it particularly difficult to decide whether to approve a flight
Modifier is used to modify authorities. Wrong
D. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether to approve a flight
Correct
E. authorities gather information about the weather along a flight route, but in some cases they find it particularly difficult to decide whether or not to approve a flight
Whether or not is redundant. So Wrong.
