WEEK 2 GMAT QUANTITATIVE

Working at a constant rate, a copy machine makes 20 copies of a one-page document per minute. If the machine works at this constant rate, how many hours does it take to make 4,800 copies of a one-page document?

• 4

• 5

• 6

• 7

• 8

Of the 150 houses in a certain development, 60 percent have air-conditioning, 50 percent have a sunporch, and 30 percent have a swimming pool. If 5 of the houses have all three of these amenities and 5 have none of them, how many of the houses have exactly two of these amenities?

• 10

• 45

• 50

• 55

• 65

• None

• One

• Two

• A finite number greater than two

• An infinite number

• 0

• -1

• -2

• -3

• -4

If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 27. By how much do the two digits differ?

• 3

• 4

• 5

• 6

• 7

Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m. By what percent did the ratio of price per share to earnings per share increase, in terms of k and m?

• (k-m)%

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 effects, how many of the subjects experienced only one of these effects?

• 105

• 125

• 130

• 180

• 195

If y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then y must be

• 2

• 5

• 6

• 7

• 14

In order to complete a reading assignment on time, Terry planned to read 90 pages per day. However, she read only 75 pages per day at first, leaving 690 pages to be read during the last 6 days before the assignment was to be completed. How many days in all did Terry have to complete the assignment on time?

• 15

• 16

• 25

• 40

• 46