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 …
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 …
If t denotes the thousandths digit in the decimal representation…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that t denotes the thousandths digit of 0.43t7. We need to determine the value of t. Statement One Alone: If d …
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, …
If 90 students auditioned for the school…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that 90 students auditioned for a musical, and we need to determine how many were accepted. Statement One Alone: 2/3 of …
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 …
If n is an integer, is n/7 an integer? (1) 3n/7 is an integer (2) 5n/7…
October 30, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether integer n is even. Let’s review four facts about even and odd integers: 1) An integer and its square …
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 …