Free Online LSAT LSAT Practice Test

Five racing drivers, Alan, Bob, Chris, Don, and Eugene, enter into a contest that consists of 6 races. The results of all six races are listed below: Bob always finishes ahead of Chris. Alan finishes either first or last. Eugene finishes either first or last. There are no ties in any race. Every driver finishes each race. In each race, two points are awarded for a fifth place finish, four points for fourth, six points for third, eight points for second, and ten points for first. If Eugene's total for the six races is 36 points, which of the following must be true?

If a petrochemical plant manufactures a range of hazardous chemical products and must therefore follow strict guidelines concerning each of the chemicals may interact with one another on a daily basis. The plant processes five different chemicals every week. Three of these chemicals can be processed on any given day. Xenon may be processed any day except for every other Monday and every other Thursday. Oxygen, however, can be processed only on Tuesdays and Wednesdays. Liquid Hydrogen may be processed on Mondays, Wednesdays and Fridays. Sulfur Dioxide can't be processed on Fridays. Methane can't be processed on Wednesday. Which weekday is most likely to be impossible for 3 chemicals to be processed in one day?

Their participation___to the Athenians. 

Nutritionist:Recent studies show that the height of the average American has increased 2 inches in the past 10 years, lending support to the view that modern foods stimulate growth. This argument would be weakened most by pointing out that