? We have pulled timer results from our database and analyzed every question in the forum. Based on those results, we have compiled a list of the hardest questions in each of the question forums we have. Below I am presenting to you the top 100 questions from CR forum.
| Critical Reasoning (CR) | | Rank | Title | Topics |
| 1 | At present the Hollywood Restaurant has only standard-height | Weaken/Debatable OA |
| 2 | Beginning in 1997, high school seniors in State Q have been | Conclusion/Numbers & Percent |
| 3 | The rise in free, do-it-yourself instructions on the | Inference |
| 4 | In Patton City, days are categorized as having heavy | Conclusion/CR Resources |
| 5 | In Patton City, days are categorized as having heavy | Inference/Must be True |
| 6 | A veterinary pharmaceutical manufacturer implemented | Debatable OA/Evaluate Argument |
| 7 | Studies have shown that a large percentage of car accidents | Inference |
| 8 | Two types of earthworm, one black and one red-brown, inhabit | Strengthen/Numbers & Percent |
| 9 | When cable TV consumers evade cable access fees by | Assumption |
| 10 | Modern navigation systems, which are found in most of today | Bold Face CR/Numbers & Percent |
| 11 | In a monogamous culture, 100% of the adults are married. The | Inference/Cause and Effect |
| 12 | Iridium, a hard, whitish metal similar to platinum, is | Strengthen |
| 13 | Gasoline Cars in Papula Country | Weaken |
| 14 | According to recent research, a blindfolded person whose | Assumption |
| 15 | Recently, the research and development departments at major | Assumption |
| 16 | Recently, some critics of the U.S. government have pointed | Weaken |
| 17 | Certain instruments used in veterinary surgery can be made | Additional Evidence/Must be True |
| 18 | The rise in free,do-it-yourself instructions on the internet | Inference |
| 19 | Lark Manufacturing Company initiated a voluntary Quality | Strengthen/Weaken |
| 20 | Psychologist: Though popularized by the media and even some | Strengthen |
| 21 | Greek tragedy, one of the enduring pillars of our belief | Resolve Paradox |
| 22 | The Daisygen Company genetically engineers flowers which are | Assumption |
| 23 | Literary critics are concerned by a recent trend in book | Evaluate Argument |
| 24 | Nearly all mail that is correctly addressed arrives at its | Must be True |
| 25 | Advocates argue that five-cent bottle deposits charged on | Evaluate Argument |
| 26 | Consumer Advocate: The new soft drink, Mango Paradise, | Assumption |
| 27 | Biologists have noted reproductive abnormalities in fish | Weaken |
| 28 | Last January, in an attempt to lower the number of traffic | |
| 29 | In order to raise revenue, the federal government planned a | Strengthen |
| 30 | Surveys show that every year only 10 percent of cigarette | Conclusion/Numbers & Percent |
| 31 | Left-handed persons have an advantage over right-handed | Inference |
| 32 | In the modern era, society should accept the premise that | Weaken/CR Resources/Debatable OA |
| 33 | Instead of blaming an automobile accident on driver error, | Assumption |
| 34 | The snack food market has recently seen an explosion in the | Additional Evidence |
| 35 | Brunhilda: Economists have predicted that our generation | Evaluate Argument/Logical Flaw/Method of Reasoning |
| 36 | Ellen: All three of Shirley's children have the measles! | Assumption |
| 37 | Farmers get water at subsidized rates that are much lower | Evaluate Argument |
| 38 | Doctors in Britain have long suspected that patients who | Weaken |
| 39 | In a survey of all 14,000 undergraduates in a University, ov | Method of Reasoning |
| 40 | In a forest often visited by the residents of a small town.. | Additional Evidence/Debatable OA |
| 41 | In response to years of increasing congestion at airport X, | Strengthen |
| 42 | Delta products, Inc., has recently switched at least partly | Bold Face CR |
| 43 | Choi: All other factors being equal, children whose parents | Logical Flaw |
| 44 | In the late nineteenth century, the archaeologist Charles | Assumption/Out of Scope - Too Hard |
| 45 | Proponents of airline industry deregulation argued that airl | Assumption |
| 46 | In 1986, the city of Los Diablos had 20 days on which air | Additional Evidence/Numbers & Percent |
| 47 | A product that represents a clear technological advance over | Bold Face CR |
| 48 | Archaeologists have recently found in various grave sites in | Method of Reasoning |
| 49 | Because the government of Laconia provided considerable tax | Bold Face CR |
| 50 | Research has shown that impoverished people in this country | Similar Reasoning |
| 51 | Some say that an asteroid colliding with Earth was | Assumption/Similar Reasoning |
| 52 | Critic: Works of literature often present protagonists who | Assumption |
| 53 | A product that represents a clear technological advance over | Bold Face CR |
| 54 | Now problems require new solutions. And new problems arise | Assumption/CR Resources |
| 55 | A Management protocol system | Conclusion |
| 56 | Wider use of central counterparties (CCPs) | Bold Face CR |
| 57 | A major film studio announced the release date of a movie | Debatable OA |
| 58 | If one of the effects of a genetic mutation makes a | Must be True |
| 59 | People who listen to certain recordings of music are in | Conclusion |
| 60 | Zero CO2 economy - a tricky one | Evaluate Argument |
| 61 | In 1986, the city of Los Diablos had 20 days on which air | Strengthen |
| 62 | If something would have been justifiably regretted if it had | Assumption |
| 63 | Since the new publisher took control, a news magazine s | |
| 64 | Epidemiologist: In Brazil, schistosomiasis and malaria are | Strengthen |
| 65 | Studies show that children who listen too much classic music | Similar Reasoning |
| 66 | In one-round sealed-bid auctions, each prospective buyer | Resolve Paradox |
| 67 | Tiger beetles are such fast runners that they can capture | Weaken/Strengthen |
| 68 | All German philosphers, except for Marx, are idealists. | Inference |
| 69 | Michael: Marriage is increasingly a dying institution. | Assumption |
| 70 | The solution to any environmental problem that is not the | Assumption |
| 71 | In the years since the city of London imposed strict | Assumption |
| 72 | The subway system in New City has recently been running a | Strengthen |
| 73 | Which of the following most logically completes the passage | Complete the Passage |
| 74 | Dr. A: The new influenza vaccine is useless at best and | Similar Reasoning |
| 75 | On a recent expedition to a remote region of northern | Resolve Paradox |
| 76 | In a study of factors affecting employee satisfaction , | Logical Flaw |
| 77 | At present the Hollywood Restaurant has only standard-height | Weaken |
| 78 | For the writers who first gave feudalism its name, the | Must be True |
| 79 | CR---Mayor of Plainsville | Assumption |
| 80 | Publicity campaigns for endangered species are unlikely to | Assumption |
| 81 | On a recent expedition to a remote region of northern | Resolve Paradox |
| 82 | The noise caused by airplanes during takeoff and landing | Bold Face CR |
| 83 | The Earth s rivers constantly carry dissolved salts into its | Assumption |
| 84 | Recent advances in surgical procedures have not decreased | |
| 85 | Products with innovative and appealing designs relative to | Bold Face CR |
| 86 | Radio stations with radio data system (RDS) technology | Assumption |
| 87 | Monarch butterflies, whose average life span is nine months, | Complete the Passage |
| 88 | Doctor: While a few alternative medicines have dangerous | Weaken |
| 89 | In the Business program at a university, all candidates for | Must be True/CR Resources |
| 90 | A team of researchers from MIT studied the effects of | Weaken |
| 91 | On some hot days the smog in Hillview reaches unsafe levels, | Logical Flaw |
| 92 | A new species of fish has just been discovered living in | Inference |
| 93 | Choi: All other factors being equal, children whose parents | Evaluate Argument |
| 94 | Automobile manufacturers often offer incentive programs | |
| 95 | The climbing season of 2006 was the deadliest on record for | Resolve Paradox |
| 96 | Each week, the Department of Defense sends food packages | Inference |
| 97 | Assumption-- Singing in the rain umbrella | Assumption |
| 98 | Radio Stations with radio data system (RDS) technolodgy | Assumption |
| 99 | Although the price of gasoline can sometimes reach uncomfort | Evaluate Argument |
| 100 | From an article in the Wall Street Chronicle: ... | Must be True |