The weights of all dishes of type X are exactly…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that we have two types of dishes, dish X and dish Y, and each dish of each type has the same …
Author: Jeff Miller
If a and b are positive integers, is a/b < 9/11 ?
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether the product of positive integers AB is even. We must recall that the product of an even integer and …
A circular tub has a band painted around its circumference…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given a cylinder with a shaded band painted around its circumference. We know that the height of the band is x meters, …
Carmen currently works 30 hours per week at her part-time…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Carmen works 30 hours per week and that her wage is to increase by $1.50 per hour. We must determine …
The profit from the sale of a certain appliance increases…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that the profit from a sale of a certain appliance increases with the number of units sold. We need to determine …
If the sequence S has 300 terms, what is the 293rd term of S
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that sequence S has 300 terms, and we need to determine the 293rd term of S. Statement One Alone: The 298th …
On a recent trip, Mary drove 50 miles. What was the average…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are being tested on average speed. The formula for average speed is: average speed = total distance/total time We are given that the …
What is the value of n…
October 29, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of n in the list: n, 15, 12, 9, 20. Statement One Alone: n > 12 Only knowing …