Author: Jeff Miller

GMAT OFFICIAL GUIDE DS Solution: We are given that the ratio of the number of teachers to the number of students is the same in School District M and …

GMAT OFFICIAL GUIDE DS Solution: We are given that m is an integer and we must determine whether it is odd. Statement One Alone:  m/2 is not an even …

GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the fraction r/s can be expressed as a decimal with only a finite number of nonzero digits. In other …

GMAT OFFICIAL GUIDE DS Solution: Let’s start by sketching out the figure and labeling the sides. We need to determine whether the area of triangular region ABC equal is …

GMAT OFFICIAL GUIDE DS Solution: We are given that all donuts are priced equally and all bagels are priced equally and need to determine the total price of 5 …

GMAT OFFICIAL GUIDE DS Solution: We are given that $60,000 was invested for 1 year. We are also given that part of the investment earned x percent simple annual …

GMAT OFFICIAL GUIDE DS Solution: We are given that a salesman is paid $300, plus a commission equal to 5 percent of the amount of his sales over $1,000. …

GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the positive two-digit integer N is less than 40. Statement One Alone:  The units digit of N is 6 …