Each year for 4 years, a farmer increased the number of trees in a certain orchard by 1/4 of the number of trees in the orchard of the preceding year. If all of the trees thrived and there were 6250 trees in the orchard at the end of 4 year period, how many trees were […]
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Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40 percent experienced sweaty palms, 30 percent experienced vomiting, and 75 percent experienced dizziness. If all of the subjects experienced at least one of these effects and 35 percent of the subjects experienced exactly two of these
If 3 < x < 100, for how many values of x is x/3 the square of a prime number? (A) Two (B) Three (C) Four (D) Five (E) Nine Correct Answer: B Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice
After driving to a riverfront parking lot, Bob plans to run south along the river, turn around, and return to the parking lot, running north along the same path. After running 3.25 miles south, he decides to run for only 50 minutes more. If Bob runs at a constant rate of 8 minutes per mile,
If Q is an odd number and the median of Q consecutive integers is 120, what is the largest of these integers? GMAT Explanation If Q is an odd number and the median of Q consecutive integers is 120, what is the largest of these integers? (A) (Q – 1)/2 + 120 (B) Q/2 +
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