What is the lowest positive integer that is divisible by… Solution: We need to determine the smallest number that is divisible by the following: 1, 2, 3, 4, 5, …
GMAT OFFICIAL GUIDE PS Solution: Let’s label each pair of socks with letters. AA = pair 1 BB = pair 2 CC = pair 3 DD = pair 4 …
GMAT OFFICIAL GUIDE PS Solution: To solve this question, we start by FOILing the right hand side of the given equation. 10y^2 = (x+2)(x-2) 10y^2 = x^2 – 4 …
GMAT OFFICIAL GUIDE PS Solution: In solving this problem there are three angle rules that we must consider. 1) A circle measures a total of 360 degrees. 2) A …
GMAT OFFICIAL GUIDE PS Solution: We must first simplify the expression in the square root **before **actually taking the square root. In other words, we have to get the …
GMAT OFFICIAL GUIDE PS Solution: This problem is testing us on our knowledge of variables in a “work” question. Ultimately, we are solving for time. Since rate x time …
GMAT OFFICIAL GUIDE PS Solution: The easiest way to solve this problem is to actually count the dots on the graph that fit the given criteria. We must find …
GMAT OFFICIAL GUIDE PS Solution: To solve, we use the average equation: average = sum/quantity We don’t know the individual scores for each of the first 4 tests, but …
