If x is negative, is x 9 (2) x^3 < –9
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that x is negative, and we must determine whether x < -3. Statement One Alone: x^2 > 9 Taking the square …
The figure above represents a circle graph of Company H’s…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given a circle graph of Company H’s total expenses. Let’s start by sketching it below: We are given that the total expenses …
If r and s are the roots of the equation x^2 + bx + c = 0…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that r and s are both roots of the equation x^2 + bx + c = 0, where b and c …
Is rst = 1 ? (1) rs = 1 (2) st = 1
May 4, 2016
Is RST… Solution: We need to determine whether RST = 1. Statement One Alone: RS = 1 Since we don’t know the value of T, knowing only that RS …
If x and y are integers, is x > y?
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that x and y are integers and must determine whether x > y. Statement One Alone: x + y > 0 …
If [x] denotes the least integer greater than or equal to x…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that ⌈x⌉ denotes the least integer greater than or equal to x. We must determine whether ⌈x⌉ = 0. Statement One …
On the number line above, p, q, r, s, and t…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: If we have an evenly spaced set consisting of an odd number of numbers, then the middle number is the average. Since here we …
In a certain office, 50 percent of the employees are college…
May 4, 2016
GMAT OFFICIAL GUIDE DS Solution: We are given that 50 percent of the employees are college graduates and 60 percent of the employees are over 40 years old. If …