For any integers x and y, min(x, y) and max(x, y)…
May 5, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given a formula in which min(x, y) and max(x, y) denote the minimum and the maximum of x and y, respectively. We …
Author: Scott Woodbury-Stewart
Leveraging the New GMAT Rules to Earn a Higher GMAT Score
December 12, 2015
As of July 19, 2015, some important new rules are in place for the Graduate Management Admission Test (GMAT). These new rules are significant, and GMAT candidates can use …
Robots X, Y, and Z each assemble components at their…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that r_x = the ratio of robot X’s constant rate to robot Z’s constant rate. If we let A = the …
The table above shows the distance, in kilometers, by the…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are presented with the following table: We need to determine the value of x. From our table we see that the value of …
If p1 and p2 are the populations and r1 and r2
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given the following: p_1 = population of District 1 p_2 = population of District 2 r_1 = the numbers of representatives of …
Is 4^(x + y) = 8^(10) ? (1) x – y = 9 (2) y/x = 1/4
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether 4^(x+y) = 8^10. We start by breaking down our two bases into prime factors. 4^(x+y) = (2^2)^(x+y) = 2^(2x+2y) …
Terry holds 12 cards, each of which is red, white, green, or blue. If…
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Terry has 12 total cards. The cards are colored red, white, green, or blue. We need to determine whether the …
The average (arithmetic mean) price of the 3 items that Kate
October 31, 2015
GMAT OFFICIAL GUIDE DS Solution: We are given that Kate purchased 3 items from a store at an average price of $50. We are also given that there was …