A rectangular box is 10 inches wide, 10 inches long…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve this problem we must remember that given any rectangular solid, the longest line segment that can be drawn within the solid will …
Tag: GMAT Solutions
From the consecutive integers -10 to 10, inclusive…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: This problem is testing our knowledge of the multiplication rules for positive and negative numbers. Remember that when we multiply an even number of …
As x increases from 165 to 166, which of the following must…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: Before jumping into this problem using the numbers provided, we must analyze what is really being tested here. We are really being asked, what …
Of the final grades received by the students in a certain math course…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We start by creating a variable for the total number of students in the math course. We can say: T = Total number of …
The probability is 1/2 that a certain coin will turn up heads…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: In this problem, there are only two events that could occur for the 3 coin flips. Either the coin will land on tails zero …
Which of the following describes all values of x for which…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve, we first isolate the x^2 in the inequality 1 – x^2 ≥ 0. So we have: 1 ≥ x^2 Next, we take …
If (x – 1)^2 = 400 which of the following could be the value…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: This is an interesting question because our initial instincts tell us to square x -1 by the FOIL method. However, an easier method is …
What is the difference between the sixth and the fifth terms…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: For the sixth term, we need to substitute 6 for n, and for the fifth term, we need to substitute 5 for n. Then …