Author: Jeff Miller
GMAT OFFICIAL GUIDE DS Solution: We are given that production index p is directly proportional to efficiency index e, which is in turn directly proportional to investment index i. …
GMAT OFFICIAL GUIDE DS Solution: We are given that n and k are positive integers, and we must determine whether √(n + k)> 2√n. We first square both sides …
GMAT OFFICIAL GUIDE DS Solution: We need to determine the value of x + y in the given figure. Let’s start by sketching the figure. In analyzing the angles …
GMAT OFFICIAL GUIDE DS… Solution: We are given that x is less than zero, and we must determine whether y is greater than zero. Statement One Alone: x/y < …
GMAT OFFICIAL GUIDE DS Solution: We need to determine whether 5^k is less than 1,000. Statement One Alone: 5^(k+1) > 3,000 We can simplify the inequality 5^(k+1) > 3,000. …
GMAT OFFICIAL GUIDE DS Solution: We are given that n is a positive integer, and we must determine whether the value of b – a is at least twice …
GMAT OFFICIAL GUIDE DS Solution: We are given that x is an integer, and we must determine whether x|x| < 2^x. Statement One Alone: x< 0 Since we are …
GMAT Guideline We are given that k = 5.1(10^n) and must determine the value of k. In further analyzing the equation with k, we see that k is equal …
