Author: Jeff Miller
GMAT OFFICIAL GUIDE DS Solution: We are given that the selling price of an article is equal to the cost of the article plus the markup. We define some …
GMAT OFFICIAL GUIDE DS Solution: We are asked to determine the standard deviation of the number of eggs in 10 nests. Statement One Alone: The average (arithmetic mean) number …
GMAT OFFICIAL GUIDE DS Solution: We are given 3 equations: 1) x – 4 = z 2) y – x = 8 3) 8 – z = t We …
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 …
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 …
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, …
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 …
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 …
