100 Hardest Sentence Correction Questions Ver 2.0

100 Hardest Sentence Correction Questions
Rank	Sentence Correction Questions
1	The data being collected in the current geological survey
2	In the field of eugenics, geneticists have thoroughly
3	First published in 1946, and comparing the ways the world
4	Examples of "tulipomania," a term coined from the tulip craz
5	The zoning commission has countered that its consultation
6	Having extracted the BRCA1 and BRCA2 genes from human DNA to
7	The controversy has divided the Senate, caused strains in
8	The paradox of the Roman empires history is marked by the
9	There is a difference in the way the term turnover and the
10	Before converting to Christianity and..(Four Commas)
11	Source: Master GMAT The word inspired is used often by
12	A 2009 study from the California State Housing Authority
13	It is no surprise that Riyadh, the Saudi capital where peopl
14	Verbal Diagnostic Test No : 7 – SC Q No:4
15	Whereas lines of competition are clearly defined in the more
16	According to his own account, Schoenberg, in his String Trio
17	Q.The rules may require 1,000 or more makers of drugs,
18	The preliminary agreement to what was to be ...
19	A study done on children under the age of twelve showed that
20	For Ralph Waldo Emerson, transcendentalism was his professed
21	Ending a contentious political stalemate that frightened
22	Unlike birds, which are highly sensitive to atmospheric pres
23	The people of the ancient Near
24	In assessing the problems faced by rural migrant workers,
25	Classical guitar was neither prestigious nor was often
26	The compositions of Claude Debussy are known for their
27	Manifestations of the British Empire's colonial policy in
28	There is a difference in the way the term turnover and the
29	Verbal Diagnostic Test No : 6 – SC Q No:5
30	The anthology Georgian Poetry was named to give the
31	The manager at the office supply store believes that the new
32	While airline travel can be detrimental to your health
33	Cherapunji receives more rainfalls than any other site of
34	The misnomer that sibling rivalry is a thing of the 'past'
35	Until 2010, a state tax regulation known as the 80-20 rule
36	In Rembrandt's The Night Watch, in the second plane of the
37	U.S. officials said they are convinced that by public demons
38	One question a day Q#9 SC 06032014
39	Verbal Diagnostic Test No : 7 – SC Q No:14
40	Hurricane resistant classification is given by the
41	Contemporary accounts of the life of Charlemagne, crowned
42	Americans give pride of place to the value of individual
43	Because the population is denser there and the automobile is
44	The development of a new type of manufacturing called 3-D
45	The recent spate of traffic jams on Beijing-Tibet highway
46	The Sri-NuanSri-Nuan dance and Teut-Teung dance are an
47	Any medical test will sometimes fail to detect a condition
48	Medieval monks, through their manuscript illuminations,
49	A 2009 study from the California State Housing Authority
50	Originally a trading port, Hong-Kong, currently estimated to
51	The Federal Reserve announcement said
52	An international convention regulating trade in endangered
53	The recent discovery of a red oak tree sap that is
54	There is generally agreement that feral swine are unwelcome
55	Q. Because the Supreme Court has ruled that the prosecution
56	One question a day project SC question No 1 24022014
57	Meaning Based 2: MRS MERCKEL
58	To many critics, it seems strange for Ms. Tramonivic,
59	There is substantial evidence that certain forms of solar
60	Verbal Diagnostic Test No : 7 – SC Q No:6
61	The value of the farming equipment manufacturer’s shares
62	Molly Ireland argues that though we are seldom aware of
63	The selection of figures on the Frieze of Parnassus reflects
64	The SC problem below is a tough modifier problem. I was
65	Rumored, and believed by most, to have committed suicide on
66	Regarded by opponents as ineffective and meddlesome and by
67	Corporate finance committees do not plan the detailed
68	Early 16th Century moralist philosophers, particularly in
69	The anthology Georgian Poetry was named to give the
70	One question a day Q#16 SC 17032014
71	The owners of a fast growing tech start-up in Newport Beach
72	Since 1966, roughly 21 percent of those enlisted in the USMC
73	Heightened land erosion, caused by human activity, has many
74	Not many of us realize that the chance of mishaps may be as
75	The Ode on Indolence is an early and strikingly ...
76	The CEO of Laminar Flow gave his R & D team a new $300 milli
77	Constructive dialogue is one of the fundamentals
78	As many an aspiring writer will agree
79	Bipedal dinosaurs' standing posture differs ...
80	In surprising medical news, scientists investigating
81	The development of the new choreography methodology that is
82	Salmon oil is one of the best Omega-3 sources
83	Like a protein rich diet that the healthy genes need to prod
84	A successful ascent of Mt. Everest is rendered tremendously
85	San Franciscans of the 1890s mocked the claim that declared
86	In nests across North America, the host mother tries to iden
87	Recent indications of weakness in the economy have lead
88	The company said revenue rose 13 percent, or $453 million, c
89	One of Ronald Reagan s first acts as President was to
90	According to a recent study of home buyers
91	THe key discovery in the scientific effort to understand
92	Until 2010, a state tax regulation known as the “80-20 rule
93	The last pages of the September 1999 publication The Code
94	Whereas the use of synthetic fertilizers has greatly
95	Because the population is denser there and the auto mobile
96	After all the recent political changes, the Syrians are figu
97	Used by many natural history museum curators in the
98	As U.S. nuclear attack submarines prowl their familiar haunt
99	Beginning in 1963 with General Motors and lasting until the
100	In contrast to the tense private drama, Act III is brought

Question Type Distribution

Question Type Distribution
Question Type	Number of Questions
Modifiers	19
Parallel Structure	19
Construction	15
Comparisons	14
Gramatical Construction	14
Verb Tense/Form	12
Style and Usage	11
Subject Verb Agreement	10
Pronouns	8
Idioms	6

A note about difficulty and how we determine the hardest questions - we use the GMAT Club timer and user statistics. We use both % of correct answers as well as the average time used. Though this list is very accurate, please keep in mind that minor shifts are expected over time.
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Wow, I can't believe my eyes that I've really found it. Thank you very much indeed for this goldmine. The collection is precious)))))

wow, 100 hardest, you're strong.

Souvik, please make one for CR as well

Collection is very good for practicing and learning the various usage of already known concepts. However, some questions are suffering from problem such as typo error while some others are just poorly constructed questions. It means that the questions are not that difficult but rather they are controversial.
Also, what makes these SC questions difficult is not the concept but the picking of a better one out of the final two options, and which are in few cases not provided with a justifiable explanation.

Though I really appreciate the effort of the creator of the collection. Thanks.

Those questions are from different sources, not only official ones.
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thanks a lot for posting. Its really helpful.

also post the common questions associated with these idioms