If u > 0 and v > 0, which is greater, u^v or v^u
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We are given that u > 0 and that v > 0. We must determine whether u^v is greater than v^u. Statement One Alone: …
Tag: data sufficiency
In the figure above, what is the value of z
March 29, 2017
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of z in the following diagram: Note that z is equal to the length of the rectangle and …
In the figure above, point D is on AC. What is the degree…
March 29, 2017
GMAT OFFICIAL GUIDE DS We are given the following diagram: We need to determine the degree measure of ∠BAC, which is also the degree measure of ∠BAD. Statement One …
If 2^(x + y) = 4^8, what is the value of y…
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: Since we want to find the value of y, let’s isolate y in the equation: 2^(x + y) = 4^8 2^(x + y) = …
What is the ratio of the average (arithmetic mean) height…
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: We want to find the ratio of the average height of students in class X to the average height of students in class Y. …
A certain high school with a total enrollment of 900 students…
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: We want to find out the number of students who attended the science fair on all three days. Statement One Alone: Of the students …
If x = 2t and y = t/3, what is the value of x^2 – y^2
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: Since x = 2t and y = t/3, by substitution, we have x^2 – y^2 (2t)^2 – (t/3)^2 4t^2 – t^2/9 (36t^2)/9 – t^2/9 …
In the figure above, PQR and STU are identical equilateral triangles…
May 16, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given a diagram with triangles PQR and STU. We are also given that PQR and STU are identical equilateral triangles, and PQ …