Author: Jeff Miller
GMAT OFFICIAL GUIDE PS The figure shown above consists of a shaded 9-sided polygon and 9 unshaded isosceles triangles… Solution: Since we have a 9-sided polygon (also known as …
GMAT OFFICIAL GUIDE PS Solution: We need to determine the number of ways to lineup male, female, male, female, male, female. Since there are 3 males, we have 3 …
GMAT OFFICIAL GUIDE PS Solution: Since the order of the books in her list matters, we use permutation. Thus, the number of ways 4 books can be chosen and …
GMAT OFFICIAL GUIDE PS Solution: We are given two decimals: 0.1X and 0.02Y To make 0.1X the greatest, we can let X = 9 and we have: 0.19 To …
GMAT OFFICIAL GUIDE PS Solution: Let’s test each answer choice: A) From Day 1 to Day 2 |(12 – 20)/20| x 100 = |-8/20| x 100 = 40% B) …
GMAT OFFICIAL GUIDE PS Solution: Let’s take 6% of each value budgeted: Payroll: 110,000 x 0.06 = 6600 Since 117000 – 110,000 = 7,000, the amount spent differed by …
GMAT OFFICIAL GUIDE PS Solution: After 17 trips, the worker has carried 17 x 4 = 68 jugs. From those 68 jugs, 68/7 = 9 cartons have been filled, …
GMAT OFFICIAL GUIDE PS Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation… Solution: We will list the number of days it …
