Practice Lsat Quiz Online

(A) All students who study daily get good grades. Marta gets good grades. Therefore, Marta studies daily. (B) All mammals have hair. A whale has hair. Therefore, a whale is a mammal. (C) No reptiles are warm-blooded. This animal is warm-blooded. Therefore, this animal is not a reptile. (D) All birds can fly. Penguins cannot fly. Therefore, penguins are not birds. (E) All squares have four sides. This figure has four sides. Therefore, this figure is a square. Researcher: “People who sleep fewer than six hours per night are more likely to catch a common cold than those who sleep eight hours or more. Therefore, to reduce your risk of catching a cold, you should sleep at least eight hours each night.”

The editorial’s argument is most vulnerable to criticism because it

Which one of the following, if true, most weakens the researcher’s argument? practice lsat quiz

A flaw in the reasoning is that it fails to consider that

(A) the new program might be more expensive to operate than the old program (B) the amount of plastic available for recycling might have increased between the two periods (C) the old program might have recycled other materials more effectively (D) some residents may not participate in any recycling program (E) the new program has been in operation for only one month No successful advertising campaign can ignore market research. Some advertising campaigns that ignore market research are memorable. Therefore, some memorable advertising campaigns are not successful. (A) All students who study daily get good grades

Directions: Select the best answer for each question. 1. Paleontologist: “All dinosaurs that ate only plants had flat teeth. This dinosaur had sharp, serrated teeth. Therefore, this dinosaur did not eat only plants.”

The paleontologist’s reasoning is most similar to which one of the following? (B) All mammals have hair

(A) Some people naturally need only five hours of sleep and never catch colds. (B) Stress causes both reduced sleep and a weakened immune system. (C) Many people who sleep eight hours still catch colds every year. (D) Sleeping more than nine hours per night has been linked to other health problems. (E) The common cold is caused by a virus, not by lack of sleep directly. The city’s new recycling program collected 50% more plastic last month than the old program collected in its final month. Therefore, the new program is more effective at recycling plastic than the old program was.