Free Test Prep GRE Exam Questions

y > 1,001 

The number of different subsets of 4 elements that can be selected from a set of 6 elements is 15. How many more different subsets of 4 elements can be selected from a set of 8 elements than from a set of 6 elements? 

If Janelle’s dress shop sold a dress at a profit of 20 percent of the selling price of the dress, then the profit waswhat percent of the cost of the dress? (Cost equals selling price minus profit.)

VERIFY : TRUE 

Greenrock National Park’s wolf population has been stable for years, but several large packs of coyotes, ananimal new to the park, moved in late in the fall. The wolves prey mainly on the park’s thriving elk population.This winter, the coyotes have primarily been hunting animals that are not prey for wolves. However, largescavenging packs of coyotes have often driven wolves away from the wolves’ kills, which probably explains why_______________.Which of the following most logically completes the passage?